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● Movie Guide · Last updated May 13, 2026

When the Phone Rings: Plot, Cast, Ending & Where to Watch

2024 · South Korea · Drama, Mystery, Crime · 1h 10m · Korean

When the Phone Rings is a 2024 South Korea drama film directed by Kim Ji-woon. This guide covers the plot, full cast, an overview of the ending, where to watch, and similar films you might want next.

Read Ending Explained → Movies Like When the Phone Rings Where to Watch
DramaMysteryRecommended
Original Title
When the Phone Rings
Director
Kim Ji-woon
Writers
Kim Ji-woon
Country
South Korea
Runtime
1h 10m
Release
Nov 22, 2024
§ 01 Plot · 6 min read

When the Phone Rings Plot Summary

When the Phone Rings is a 2024–2025 South Korean television series written by Kim Ji-woon, co-directed by Park Sang-woo and Wi Deuk-gyu, and starring Yoo Yeon-seok, Chae Soo-bin, Heo Nam-jun, and Jang Gyu-ri. It premiered on MBC TV on November 22, 2024, and aired every Friday and Saturday at 21:50 (KST) for 12 episodes. It is available for streaming on Netflix in selected regions.

● Quick takeaway

A rising politician and his mute wife's tense marriage begins to unravel after a call from a kidnapper turns their lives upside down.

§ 02 Cast · 5 roles

Cast and Characters

Yoo Yeon-seok headshot
Yoo Yeon-seok
as Baek Sa-eon
Plays Baek Sa-eon.
Chae Soo-bin headshot
Chae Soo-bin
as Hong Hee-ju
Plays Hong Hee-ju.
Heo Nam-jun headshot
Heo Nam-jun
as Ji Sang-woo
Plays Ji Sang-woo.
Jang Gyu-ri headshot
Jang Gyu-ri
as Na Yu-ri
Plays Na Yu-ri.
Lee Doo-seok headshot
Lee Doo-seok
as Kang Hyeong-Cheol
Plays Kang Hyeong-Cheol.
§ 03 · Spoiler Zone · Read with care

Ending Overview

How does When the Phone Rings end? Our spoiler-aware breakdown walks through the final act beat by beat — including the choices, motivations, and ambiguous final shot that viewers most often debate.

Read full Ending Explained →
§ 04 Watch · Updated May 13

Where to Watch When the Phone Rings

Availability may vary by region and change over time.

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Netflix
Streaming · Subscription
● Available
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Netflix Standard with Ads
Streaming · Subscription
● Available
View all regions & options →
§ 06

Frequently Asked

What is When the Phone Rings about?

A rising politician and his mute wife's tense marriage begins to unravel after a call from a kidnapper turns their lives upside down.

Where can I watch When the Phone Rings?

See the Where to Watch section below for the current streaming, rental, and purchase options in your region.