Sympathy for Mr. Vengeance (2002)

This is the story of Ryu, a deaf man, and his sister, who requires a kidney transplant. Ryu’s boss, Park, has just laid him off, and in order to afford the transplant, Ryu and his girlfriend develop a plan to kidnap Park’s daughter. Things go horribly wrong, and the situation spirals rapidly into a cycle of violence and revenge.