Ah Bo is a young immature cop. He blames himself for the death of veteran cop, Uncle Chuen. Eventually, he finds out that the killer is a man named Ace, but he is framed. His girlfriend, Jojo, takes him to an island to hide. Bo sees Ace's appearance at the pier and knows something is wrong. As it turns out, Fung, the owner of a bar on the island, is Ace's old girlfriend. Many years before, Ace left her without saying goodbye. Fung is eventually forced to choose between love and loyalty...