No Mercy

In-ae and her younger sister, Eun-hye, have relied on each other since the death of their parents. When Eun-hye suddenly vanishes, In-ae begins a search to find her. She discovers that her sister was targeted by school bullies and became entangled with criminals. As In-ae learns about the violence and abuse her sister suffered, her mission to rescue her evolves into a violent campaign for revenge.

This South Korean action thriller was directed by Lim Kyoung-tack. The film stars Lee Si-young in the lead role of In-ae, alongside Park Se-wan as Eun-hye. The supporting cast includes Lee Jun-hyuk, Choi Jin-ho, Lee Hyeong-cheol, and Kim Won-hae. Produced by companies such as The Contents On and Finecut, the movie has a runtime of 93 minutes. On TMDB, the film holds a rating of 7.3/10 based on 170 votes.