When the Phone Rings — Season 1
Their love hangs by a thread... until a stranger picks up the phone.
About this season
A rising politician and his mute wife's tense marriage begins to unravel after a call from a kidnapper turns their lives upside down.
Episodes (12)
1. Episode 1
9.0Aired 22 November 2024 • 66 min
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. Episode 2
7.0Aired 23 November 2024 • 69 min
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. Episode 3
7.0Aired 29 November 2024 • 68 min
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. Episode 4
7.0Aired 30 November 2024 • 70 min
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. Episode 5
7.0Aired 13 December 2024 • 71 min
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. Episode 6
7.0Aired 14 December 2024 • 70 min
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. Episode 7
8.5Aired 20 December 2024 • 69 min
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. Episode 8
7.0Aired 21 December 2024 • 71 min
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. Episode 9
8.0Aired 27 December 2024 • 66 min
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. Episode 10
8.0Aired 28 December 2024 • 68 min
While attempting to rescue Hee-joo, Sa-eon discovers another surprising conspirator — whom he later tries to persuade to help locate the kidnapper.
11. Episode 11
9.0Aired 3 January 2025 • 64 min
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. Episode 12
7.5Aired 4 January 2025 • 67 min
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.