An dou (2001)

Ken Tsui, a member of an underground organization, is sent to Manila to execute a member of the Filipino government. When he succeeds, he is arrested and sentenced to death. When a psycho cop helps Ken escape, Ken finds refuge with Chang, a man who he helped save. While working in a hotel, Ken is also an assassin who takes a life for only 10 dollars. Meanwhile, the psycho cop begins a killing spree and must find Ken, as Ken's brother, Harry wants him back in the Triads.