Director: Park Sang-woo, Wi Deuk-gyoo
A single phone call from a stranger unravels a marriage built on silence in When the Phone Rings, a South Korean thriller that trades car chases for quiet dread inside one couple's home.
What is When The Phone Rings about?
Baek Sa-eon is a rising political figure whose public image depends on projecting stability, and his marriage to Hong Hi-ju, who has been unable to speak since a childhood trauma, is widely seen as a picture-perfect match. Behind closed doors, the two barely function as a couple, bound more by obligation and old family arrangements than by affection. Everything shifts when Hi-ju receives a call demanding a ransom for Sa-eon, forcing the estranged pair into direct contact for the first time in years and exposing a kidnapping plot that reaches further than either of them expected. As the search for answers continues, old secrets about Sa-eon's past, Hi-ju's silence, and the people around them start to surface, and the line between victim and suspect blurs. The show balances a slow-burn mystery with the emotional work of two people forced to finally see each other clearly under pressure.
Cast & crew
Yoo Yeon-seok plays Baek Sa-eon, the calculated politician whose composed exterior begins to crack as the investigation closes in. Chae Soo-bin plays Hong Hi-ju, communicating much of her performance through expression and gesture rather than dialogue, given her character's inability to speak. Heo Nam-jun and Jang Gyu-ri round out a supporting cast built around the couple's family circle and the investigators drawn into their case.
Context & significance
When the Phone Rings premiered in late 2024 and is based on a webtoon of the same name, part of a wave of Korean dramas adapting popular web comics into live-action television. Its central pairing of a politically ambitious husband and a wife silenced by trauma gives the show a domestic, almost claustrophobic register even as the plot expands into kidnapping and conspiracy, a mix that has made it a talking point among fans of Korean melodrama and thriller crossovers alike.
Where & how to watch
When the Phone Rings is available on K-Time with Farsi subtitles and a Persian dub, letting viewers follow the story in Korean audio or in Persian. Watching the series in full requires only a free K-Time account and login, while the show's overview page can be read without any sign-up. K-Time's platform is designed with Farsi menus and search to serve the Iranian diaspora directly.