Plot — What is Sister about?
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.
Top Cast & Director
Quick Facts
| Type | Movie |
| Released | 2026 |
| Genre | Crime, Thriller |
| Language | Korean |
| Runtime | 87 min |
| Audience Score | 58% (5.8/10, 9 votes) |
Sister — FAQ
Is Sister worth watching? Sister holds a 5.8/10 rating from 9 viewers. 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, expec
Who directed Sister? Directed by Jin Sung-moon.
Who is in the cast of Sister? It stars Jung Zi-so, Lee Soo-hyuk, Cha Joo-young, Jung Ji-woo.
Where can I stream Sister? Streaming availability for Sister is listed above when a platform is confirmed. MovieLink App is an info guide and hosts no files.
When did Sister release? It released in 2026.
