When the Phone Rings

Season 1

2024 · 12 episodes · 13h 39m in all · 7.5/10

Episodes

1. 

   1. Episode 1

   22 Nov 2024 · 66 min · 9.0/10

   After receiving a call from Hong Hee-joo's kidnapper, Paik Sa-eon attempts to learn more about him — only to find it's hard to escape his surveillance.

2. 

   2. Episode 2

   23 Nov 2024 · 69 min · 7.0/10

   Sa-eon works quickly to track down the caller, forcing Hee-joo to stay hypervigilant. Despite her fears, she continues to play along with the ruse.

3. 

   3. Episode 3

   29 Nov 2024 · 68 min · 7.0/10

   After Sa-eon experiences an attack, he grows wary of Hee-joo's relationship with her friend. Meanwhile, an ominous figure makes his presence known.

4. 

   4. Episode 4

   30 Nov 2024 · 70 min · 7.0/10

   After receiving the ominous call, Hee-joo abandons her clandestine plan. She then undergoes a tough interview with Sa-eon — sharing an intimate moment.

5. 

   5. Episode 5

   13 Dec 2024 · 71 min · 7.0/10

   Sa-eon grapples with feelings of betrayal after learning the truth about Hee-joo. However, when she receives good news, they begin to grow fonder.

6. 

   6. Episode 6

   14 Dec 2024 · 70 min · 7.0/10

   Hee-joo confronts a figure from her past who wishes to reveal what she knows. She then embarks on a retreat with Sa-eon — who becomes possessive of her.

7. 

   7. Episode 7

   20 Dec 2024 · 69 min · 8.5/10

   Sa-eon and Hee-joo's relationship shifts after her harrowing rescue. Determined to catch the kidnapper, Sa-eon goes full force — with the help of 406.

8. 

   8. Episode 8

   21 Dec 2024 · 71 min · 7.0/10

   As Hee-joo and Sa-eon grow closer, the threat from the kidnapper intensifies. Sa-eon discovers an ominous and shocking clue from a past figure.

9. 

   9. Episode 9

   27 Dec 2024 · 66 min · 8.0/10

   Hee-joo worries about Sa-eon after learning the truth about him. She later appears on the stage of her dreams, side by side with her love.

10. 

    10. Episode 10

    28 Dec 2024 · 68 min · 8.0/10

    While attempting to rescue Hee-joo, Sa-eon discovers another surprising conspirator — whom he later tries to persuade to help locate the kidnapper.

11. 

    11. Episode 11

    3 Jan 2025 · 64 min · 9.0/10

    After Hee-joo's bold move, her fate and that of her kidnapper remain uncertain. But Sa-eon refuses to give up — leaving no stone unturned to find her.

12. 

    12. Episode 12

    4 Jan 2025 · 67 min · 5.3/10

    Sa-eon abandons everything he's worked for, leaving Hee-joo completely alone. But after a clue arrives, she embarks on a journey to reunite with him.