Plot Summary
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.
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Full Cast & Characters
Director & Crew
Jin Sung-moon
Director
Where to Watch Sister Online
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Frequently Asked Questions
Where can I watch Sister online?
Sister (2026) is available to stream on various platforms. You can also watch it online via our Watch Online button.
What is the TMDB rating of Sister?
It has a TMDB rating of 5.8/10 based on 9 votes.
Who directed Sister?
Sister was directed by Jin Sung-moon and released in 2026.
How long is Sister?
Sister has a runtime of 1 hours and 27 minutes.
Movie Details
- Release Date
- 2026-01-28
- Status
- Released