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Movies like Equation to an Unknown (1980)

The best movies like Equation to an Unknown (1980) are Peter Ibbetson (1935), Winter's Tale (2014) and The Romance of Astrea and Celadon (2007). If Equation to an Unknown hooked you with its drama and romance, these 30 similar films are what to watch next, and every pick says why it matches.

Quick picks

  1. Peter Ibbetson (1935)

    When his mother dies, young Peter Ibbetson leaves Paris and his best friend, Mary, behind to live with a severe uncle in England. Years later, Peter is an architect with little time for women, until he begins a project with the Duke and Duchess of Towers. When Peter and the duchess become great friends, she reveals that she is Mary — but the duke soon suspects his wife of infidelity and challenges Peter to a duel, threatening the pair's second chance.

    Why it matches: Recommended by TMDB viewers · both drama & fantasy

    Worth the HypeMovies like this
  2. Winter's Tale (2014)

    A burglar falls for an heiress as she dies in his arms. When he learns that he has the gift of reincarnation, he sets out to save her.

    Why it matches: Recommended by TMDB viewers · both drama & fantasy

    Popcorn FlickMovies like this
  3. The Romance of Astrea and Celadon (2007)

    In an enchanted forest, back in the time of the Druids, the shepherd Céladon and the shepherdess Astrée share a pure and chaste love. Fooled by a suitor, Astrée dismisses Céladon, who throws himself into a river out of despair. She thinks he's dead, but he's been secretly rescued by some nymphs. Faithful to the promise he made to Astrée to never appear before her again, Céladon must overcome many obstacles to break the curse. Mad with love and despair, coveted by the nymphs, surrounded by rivals, and obliged to disguise himself as a woman to be near the one he loves, will he manage to make himself known without breaking his oath? A romance filled with doubt, hazards, and delicious temptations.

    Why it matches: Recommended by TMDB viewers · both drama & romance

  4. Wicked (2021)

    Ivy Morgan, a college student in New Orleans, falls for Ren Owens, the last person she expected to enter her rigidly controlled life.

    Why it matches: Recommended by TMDB viewers · both fantasy & romance

    Worth the HypeMovies like this
  5. Endless (2020)

    When madly in love high school graduates Riley and Chris are separated by a tragic car accident, Riley blames herself for her boyfriend's death while Chris is stranded in limbo. Miraculously, the two find a way to connect. In a love story that transcends life and death, both Riley and Chris are forced to learn the hardest lesson of all: letting go.

    Why it matches: Recommended by TMDB viewers · both romance & drama

    Popcorn FlickMovies like this
  6. White Wedding (1989)

    A philosophy professor has an illicit affair with one of his students, a bright yet troubled girl who lives alone.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Popcorn FlickMovies like this
  7. Fire with Fire (1986)

    A tough, street-smart kid serving a sentence in a state youth reformatory meets a beautiful, innocent girl studying at a nearby convent. When forbidden love blossoms between them, they must fight the prison authorities, their parents and the law.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Popcorn FlickMovies like this
  8. Luna (2018)

    A film in which the director captures the beautiful and accurate qualities of reality when building the energetic portrait of a 16-year-old girl immersed in the macho culture of urban suburban south-west France, just a stone’s throw away from the nearby countryside.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Popcorn FlickMovies like this
  9. The Man from Elysian Fields (2001)

    A failed novelist's inability to pay the bills strains relations with his wife and leads him to work at an escort service, where he becomes entwined with a wealthy woman whose husband is a successful writer.

    Why it matches: Recommended by TMDB viewers · both drama & romance

  10. Double Lover (2017)

    Chloé, a fragile young woman, falls in love with her psychoanalyst, Paul. A few months later she moves in with him, but soon discovers that her lover is concealing a part of his identity.

    Why it matches: Recommended by TMDB viewers · both romance & drama

    Popcorn FlickMovies like this
  11. My Nights Are More Beautiful Than Your Days (1989)

    Lucas has invented a new computer language but at the same time he has been informed about his strange terminal illness during which he has been gradually losing his memory. Shortly after that he meets Blanche who acts as a medium in a bizarre traveling show. Dying Lucas follows her to the sea resort where they spend together several days and nights.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Popcorn FlickMovies like this
  12. Boy Meets Girl (1984)

    In Paris at night, a young aspiring filmmaker grapples with heartbreak after his girlfriend leaves him for his best friend. After a failed attempt to confront his friend, he wanders the streets and encounters a girl who has just been abandoned. Their paths cross at a party, bringing together two tormented souls.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Popcorn FlickMovies like this
  13. Those Who Love Me Can Take the Train (1998)

    A group of mourners travels by train to bury a recently deceased artist in Limoges. As they journey, secrets and desires unfold, with relationships shifting, past loves resurfacing, and personal connections revealed. At the funeral and afterward, tensions rise among the group, leading to further emotional complexities at the artist’s family home.

    Why it matches: Recommended by TMDB viewers · both romance & drama

    Popcorn FlickMovies like this
  14. The Little Sister (2025)

    When Fatima leaves her close-knit suburban family to study philosophy in Paris, she finds herself caught between her religious upbringing and the freedom of student life in the city.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Popcorn FlickMovies like this
  15. Life in a Year (2020)

    A 17 year old finds out that his girlfriend is dying, so he sets out to give her an entire life, in the last year she has left.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Absolute CinemaMovies like this
  16. My Policeman (2022)

    In the late 1990s, the arrival of elderly invalid Patrick into Marion and Tom’s home triggers the exploration of seismic events from 40 years previous: the passionate relationship between Tom and Patrick at a time when homosexuality was illegal.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Worth the HypeMovies like this
  17. An Affair of Love (1999)

    A man and a woman meet to fulfill her sexual fantasy.

    Why it matches: Recommended by TMDB viewers · both romance & drama

    Popcorn FlickMovies like this
  18. Gabriel's Inferno: Part III (2020)

    The final part of the film adaption of the erotic romance novel Gabriel's Inferno written by an anonymous Canadian author under the pen name Sylvain Reynard.

    Why it matches: Recommended by TMDB viewers · both romance & drama

    Absolute CinemaMovies like this
  19. Not Easily Broken (2009)

    A car accident and shifting affections test the bond between a married couple.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Popcorn FlickMovies like this
  20. In Secret (2014)

    In 1860s Paris, a young woman, Therese, is trapped in a loveless marriage to the sickly Camille by her domineering aunt, Madame Raquin. She spends her days behind the counter of a small shop and her evenings watching Madame play dominos with an eclectic group. After she meets her husband’s alluring friend, Laurent, she embarks on an illicit affair that leads to tragic consequences. Based on Emile Zola’s novel, Thérèse Raquin.

    Why it matches: Recommended by TMDB viewers · both drama & romance

    Popcorn FlickMovies like this
  21. Going Down in La-La Land (2011)

    A fresh face comes to Hollywood to act in movies but only the gay porn studios are eager to provide him with work.

    Why it matches: Similar story and style · both drama & romance

  22. Seeing Heaven (2011)

    A beautiful young escort suffers from trip-like dreams he doesn't understand. These visions are shared by his clients, both scaring and exciting them.

    Why it matches: Similar story and style · both drama & fantasy

  23. Bulgarian Lovers (2003)

    Graying Spaniard Daniel has a healthy budget for indulging in the finer things in life. Daniel's favorite luxury is playing sponsor to younger men amid the lights and sights of Madrid's gay club scene. After Daniel shares a night with handsome Bulgarian emigre Kyril, he finds himself consumed with an insatiable lust for the charismatic foreigner. But, as their relationship takes shape, Daniel's latest conquest reveals his own manipulative tendencies.

    Why it matches: Similar story and style · both drama & romance

  24. Who Are We? (2022)

    David and Chris spice up their stagnant relationship by turning to a gay dating app, but this unwittingly throws their lives into turmoil.

    Why it matches: Similar story and style · both drama & romance

  25. Title 18 (2022)

    An experimental short film made as part of a multi-media triptych, originally screened alongside a fashion collection and an art-installation. Drawing from Papa Yorick’s (Director and fashion designer) thesis “Men Are My Cumrag”, the film reenacts eight mainstay gay porn scripts, incorporating and parodying tropes and clichés, that explore masculine identities within the gay porn industry, through a satirical and critical lens.

    Why it matches: Similar story and style · both romance

  26. The Fluffer (2001)

    Self-effacing, boyish Sean moves to LA to pursue a career in movies but finds it tougher than he imagined. He stumbles onto porn star Johnny Rebel - a handsome, muscled dream of men and women alike - who awakens Sean’s deep obsession.

    Why it matches: Similar story and style · both drama

  27. Without a Mom (2011)

    Two gay dads fumble to provide their straight son with meaningful support after the loss of his first real love.

    Why it matches: Similar story and style · both drama

  28. Knife+Heart (2018)

    In the summer of 1979, gay porn producer Anne sets out to film her most ambitious film yet, but her actors are picked off, one by one, by a mysterious killer.

    Why it matches: Similar story and style · both romance

  29. The Inner Shadow (2018)

    Son of a patriarchal family in the country interior finds out something.

    Why it matches: Similar story and style · both drama

  30. Beautiful Beings (2022)

    A teenage boy, raised by a mother who considers herself psychic, takes a bullied kid into his group of violent misfits. As the group’s troubles escalate toward life-threatening situations, an inner voice awakens in the boy and, with the help of his mother and his new friend, he manages to find his own path.

    Why it matches: Similar story and style · both drama

    Worth the HypeMovies like this

Like Equation to an Unknown and something else?

Blend two favourites and we’ll find the films in between.

Frequently asked questions

What are the best movies like Equation to an Unknown?

The closest matches to Equation to an Unknown are Peter Ibbetson (1935), Winter's Tale (2014) and The Romance of Astrea and Celadon (2007). Below are 27 more, each with the reason it matches.

What should I watch after Equation to an Unknown?

Start with Peter Ibbetson (1935), the closest match to Equation to an Unknown.

What is the highest-rated movie like Equation to an Unknown?

Gabriel's Inferno: Part III (2020), rated 8.3/10 by 1,097 TMDB users.

What is the newest movie like Equation to an Unknown?

The Little Sister (2025) is the most recent release on this list.

Are there French movies like Equation to an Unknown?

Yes: The Romance of Astrea and Celadon (2007), White Wedding (1989) and Luna (2018).

How are movies similar to Equation to an Unknown chosen?

First come films that Trakt’s viewers watch alongside Equation to an Unknown, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.

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