A mysterious app promises wishes — then starts a countdown to death. As a group of teens becomes entangled, they must break the deadly chain to survive.

Created by Park Yoon-seo, Park Joong-seop

IMDb ↗

Family guide

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Cast & creators

Park Yoon-seoDirector PPark Joong-seopCreator

Park Yoon-seoCreator

Jeon So-youngas Yoo Se-ah

Baek Sun-hoas Kim Gun-woo

Kang Mi-naas Im Na-ri

Hyun Woo-seokas Kang Ha-joon

Lee Hyo-jeas Choi Hyeong-wook

Roh Jae-wonas Bang-wool

Jeon So-neeas Kang Ha-young / Haetsal

Yoon Sa-bongas Coach Song

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📺 Series

Screen catalogue →

2026 · 1 season · 8 ep · Mystery · Drama

TMDB 8.2/10 (169 votes)

A mysterious app promises wishes — then starts a countdown to death. As a group of teens becomes entangled, they must break the deadly chain to survive.

Created by Park Yoon-seo, Park Joong-seop

IMDb ↗