Season 1

2025 · 16 episodes · 16h 35m in all · 8.2/10

It is a story about an astronaut and a tourist who meet and fall in love at a space station. Gong Ryong, an obstetrician-gynecologist, will be staying at the space station for a few days as a space tourist, but he has a secret goal. Gong Ryong is also the future son-in-law of the MZ Group, the richest conglomerate in Korea. Commander Eve Kim heads to the space station after receiving her first mission as a commander. Eve Kim is a perfectionist who strictly follows the rules and doesn't tolerate a single mistake in an area where dangers lurk everywhere. Gong Ryong’s girlfriend is Choi Go Eun. As the only remaining heir of MZ Group’s chairman, Choi Go Eun not only possesses beauty and intelligence, but she is also highly capable, making her a great role model.

1. Episode 1
4 Jan 2025 · 74 min · 8.0/10
Coming from two different backgrounds, Gong Ryong and Eve Kim embark on a space mission. But trouble strikes after launch, jeopardizing their expedition.
2. Episode 2
5 Jan 2025 · 67 min · 8.3/10
Upon arriving in space, Ryong panics as Eve threatens to ruin his secret mission. Shortly after, a crisis emerges, forcing Ryong to attempt a novel feat.
3. Episode 3
11 Jan 2025 · 62 min · 8.7/10
Determined to carry out the secret mission himself, Ryong tries to circumvent Kang Kang-su. During a space walk, Eve experiences a sudden problem.
4. Episode 4
12 Jan 2025 · 61 min · 8.3/10
With Eve's life in jeopardy, Ryong watches helplessly — as protocol prevents him from saving her. With every passing second, she loses precious oxygen.
5. Episode 5
18 Jan 2025 · 61 min · 8.3/10
Following Ryong's sudden confession, Eve discovers a hurtful truth unfolding back on Earth. Soon, she learns of an even more disturbing reality in space.
6. Episode 6
19 Jan 2025 · 60 min · 8.3/10
Eve discovers an unethical secret, forcing her to act decisively despite Ryong's objection — which drives him to take matters into his own hands.
7. Episode 7
25 Jan 2025 · 59 min · 8.0/10
After Ryong learns the results of his experiment, a potential calamity approaches the crew — threatening his safety and the survival of his work.
8. Episode 8
26 Jan 2025 · 59 min · 8.3/10
Eve risks everything to heroically rescue Ryong, facing treacherous danger. However, returning home seems increasingly improbable.
9. Episode 9
1 Feb 2025 · 59 min · 8.3/10
With Ryong and Eve stranded in space, those on Earth scramble to save them — albeit for different reasons. Park Dong-a steps forward to take the risk.
10. Episode 10
2 Feb 2025 · 60 min · 8.3/10
Despite their promises in space, Ryong and Eve return to earthly realities — facing duty, recovery, suspicions, confessions and lingering longing.
11. Episode 11
8 Feb 2025 · 62 min · 8.3/10
While Ryong and Eve adjust to normal life, Chief Kang requests a detailed report of their time in space — leading them to agonize over their story.
12. Episode 12
9 Feb 2025 · 61 min · 8.3/10
Choi Go-eun confronts Eve after encountering her at Ryong's place. Chief Kang advises Eve not to see Ryong again — despite Eve's true desires.
13. Episode 13
15 Feb 2025 · 60 min · 8.0/10
Chief Kang summons Ryong and Kang Kang-su regarding their forbidden experiment in space. Eve uncovers a painful truth about her past.
14. Episode 14
16 Feb 2025 · 59 min · 7.3/10
A deployed investigative team discovers Ryong's cell phone in space — sparking an inquiry into who is responsible for the unauthorized events there.
15. Episode 15
22 Feb 2025 · 59 min · 7.3/10
The consequences of the experiment in space finally manifests, leaving Ryong devastated. Later, Eve learns that her life is about to change forever.
16. Episode 16
23 Feb 2025 · 72 min · 8.3/10
As Eve's new state prevents her from coming back to Earth, Ryong commits to joining her in space. Once there, they debate a risky return to Earth.