

Their love hangs by a thread... until a stranger picks up the phone.
A rising politician and his mute wife's tense marriage begins to unravel after a call from a kidnapper turns their lives upside down.

![When the Phone Rings | Official Clip | Netflix [ENG SUB]](https://img.youtube.com/vi/chk2ak1MPlY/hqdefault.jpg)
![Official Trailer [ENG SUB]](https://img.youtube.com/vi/Y4P-z1Qy6xI/hqdefault.jpg)

Nov 22, 2024 - 1h 6m
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.

Nov 23, 2024 - 1h 9m
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.

Nov 29, 2024 - 1h 8m
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.

Nov 30, 2024 - 1h 10m
After receiving the ominous call, Hee-joo abandons her clandestine plan. She then undergoes a tough interview with Sa-eon — sharing an intimate moment.

Dec 13, 2024 - 1h 11m
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.

Dec 14, 2024 - 1h 10m
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.

Dec 20, 2024 - 1h 9m
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.

Dec 21, 2024 - 1h 11m
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.

Dec 27, 2024 - 1h 6m
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.

Dec 28, 2024 - 1h 8m
While attempting to rescue Hee-joo, Sa-eon discovers another surprising conspirator — whom he later tries to persuade to help locate the kidnapper.

Jan 3, 2025 - 1h 4m
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.

Jan 4, 2025 - 1h 7m
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.