Sister (2026)

Sister is a film from 2026. It is catalogued under Crime, Thriller. Its listed tagline is “I've kidnapped my sister today.”

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.

TMDB records an audience rating of 5.8/10 based on 9 votes.

Release date: January 28, 2026 · Runtime: 87 minutes · Original language: Korean

Director: Jin Sung-moon · 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

Genres: Crime, Thriller