About Sister
Desperate to raise money for her younger sister's surgery, Hae-ran teams up with Tae-soo to kidnap her half-sister So-jin. So-jin wakes up confined in an unfamiliar place. Hae-ran and Tae-soo demand a hefty ransom, expecting her wealthy father to cough up the money. Upon discovering that one of her captors is her half-sister, So-jin enters a precarious alliance that blurs the lines between victim and perpetrator as she plots a counterattack against the ruthless Tae-soo.
Movie details
- Release date
- 2026-01-28
- Runtime
- 1h 27m
- Genres
- Crime, Thriller
- Rating
- 5.8/10 (8 votes)
- Language
- KO
- Country
- South Korea
- Director
- Jin Sung-moon
- Writers
- J Blakeson, Jin Sung-moon
Cast
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Frequently asked questions
Where can I watch Sister (2026) online?
Watch Sister (2026) on CineStream — full HD streaming with subtitles in 20+ languages, smart resume across devices. Total runtime 1h 27m. Start watching →
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What's the rating of Sister?
Sister (2026) has a rating of 5.8/10 based on 8 viewer votes on TMDB.
How long is Sister?
The runtime of Sister (2026) is 1h 27m.
Does Sister have subtitles?
CineStream auto-attaches subtitles in over 20 languages including English, Spanish, French, German, Hindi, Tamil, Sinhala, Arabic, and more. Pick your language from the player's CC menu.
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