When the Phone Rings - When the Phone Rings
1 - Episode 1
Air Date: November 22, 2024
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
Air Date: November 23, 2024
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
Air Date: November 29, 2024
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
Air Date: November 30, 2024
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
Air Date: December 13, 2024
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
Air Date: December 14, 2024
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
Air Date: December 20, 2024
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
Air Date: December 21, 2024
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
Air Date: December 27, 2024
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
Air Date: December 28, 2024
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
Air Date: January 3, 2025
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
Air Date: January 4, 2025
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.