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Episode 1
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Series
Fatal Promise
위험한 약속
2020EndedSouth Korea35 min
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What's it about?
A fierce revenge melodrama about a girl who is pushed to the edge of a cliff while fighting the unjust and a man who breaks his promise with her and starts a family of his own, reuniting 7 years later.
Where to stream?
KOCOWA+
Checked 08/22/2026 · last check was a while ago · United States catalog · account required.
Available (check outdated)
Availability data partly provided by JustWatch via TMDB.
Trailers & videos
Fatal Promise | 위험한 약속 [Teaser-Ver2] — Trailer · English · official · YouTube
2 videos — they play on each provider's site
Cast
Park Ha-na
박하나
Cha Eun-Dong
105 episodes
Ko Se-won
고세원
Kang Tae-In
105 episodes
Kang Sung-min
Choi Joon-Hyuk
105 episodes
Lee Chang-wook
Han Ji-Hoon
105 episodes
Kil Yong-woo
길용우
Han Kwang-Hoon
105 episodes
Kang Shin-il
강신일
Kang Il-Sub
105 episodes
Lee Dae-yeon
이대연
Cha Man-Jong
105 episodes
Kim Mi-ji
김미지
Legal Team Employee
105 episodes
Yoon Byul-ha
윤별하
Patient Girl With Baloon
105 episodes
9 people — scroll sideways
Crew
Writer
Ma Joo-hee
Director
Kim Shin-il
Episodes
Season 1 — 105 episodes · from 03/30/2020
Page 1 of 5 · Episodes 1–25
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Episode 2
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Episode 3
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Episode 4
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Episode 5
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Episode 6
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Episode 7
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Episode 8
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Episode 9
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Episode 10
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Episode 11
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Episode 12
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Episode 13
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Episode 14
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Episode 15
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Episode 16
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Episode 17
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Episode 18
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Episode 19
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Episode 20
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Episode 21
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Episode 22
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Episode 23
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Episode 24
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Episode 25
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Image gallery
Posters (5)
Stills (1)
Images © their respective rights holders · Source: Poster: TMDB