LEE PAK KIU is an orderly person. He is shocked to discover a cockroach coming out from his roommate CHUNG LAP MAN’s messy room… KIU searches for MAN at the police station. MAN just made a mistake at work while investigating a case but KIU insists that MAN should go home to tidy up his room. KIU works in the Emergency Unit of the police force. While patrolling on the street, he discovers that somebody is attacking a man. The gang leader of Tsun Hing, LEUNG SIU TONG, is hitting PING but PING refuses to reveal the truth the KIU. During the time, KIU receives a message from the police control room and learns that a woman is abducting a child with a knife. PING is shocked for he believes that this woman is his mentally diseased wife… After staying in jail for 10 years in Taiwan, JIANG SHI XIAO is finally released and he is surprised to see his good friend TO YIK TIN at the gate……