Sister (2026)
I've kidnapped my sister today.
Overview
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.
Where to Watch Sister
Sister isn't on streaming services right now. Check back soon. We update this daily.
Sister Cast
Jung Zi-so
as Seong Hae-ran
Lee Soo-hyuk
as Jung Tae-soo
Cha Joo-young
as Park So-jin
Jung Ji-woo
as Radio DJ
Sister: Quick Answers
Where can I watch Sister?
Sister is not on streaming services in the US yet.
When was Sister released?
Sister came out on January 28, 2026.
Is Sister worth watching?
Sister holds a 5.8/10 average from 9 TMDB user ratings. Reactions are mixed, so check the trailer first.
How long is Sister?
Sister runs 87 minutes (1h 27m).
