Broken (English title) / The Hovering Blade (literal title)(방황하는 칼날)is a April 10, 2014 Movie directed by Lee Jung-Ho South Korea.
Sang-Hyun, who lost his wife, lives with his daughter Soo-Jin. One day, Soo-Jin is raped and murdered. Frustrated by the lack of progress in his daughter's case, Sang-Hyun learns the identity of the two men who killed his daughter and the address of one of those two men. Sang-Hyun then goes to the home of that man and kills him. The father is now a fugitive.
Widower Lee Sang-hyeon lives a quiet life with his 15-year-old daughter Su-jin. But one day she is abducted and raped, and her corpse is found at a derelict public bathhouse. Sang-hyeon is left helpless in the face of his daughter's death, with nothing left to cling on to but his feelings of anger and despair. The investigation into his daughter's death is progressing slowly, so restless and unable to sit quiet any longer, he decides to take matters into his own hands. Sang-hyeon receives an anonymous text message with information on the culprit, including an address where the sender claims Sang-hyeon would find electronic evidence of the crime; when he gets there, he sees a man, Kim Cheol-yong laughing as he watches a video showing Su-jin's rape and murder. Sang-hyeon accidentally kills Cheol-yong in a fit of rage, and upon learning that Cheol-yong had an accomplice, becomes hellbent on finding the second rapist/murderer. Upon examining Cheol-yong's murder scene, Jang Eok-gwan, the detective who leads the investigation into Su-jin's murder, realizes that Sang-hyeon was the killer and sets out on his trail.