T (played by Wu Zhenyu) is a mysterious killer like a shadow. When he is tired of the bloody career and prepares to end his career, he is involved in a mysterious kidnapping case. The kidnapped one is the son of the Italian mob boss (played by Harvey Keitel). T is required to find out the mastermind behind the kidnapping of the boss's son. At the same time, the police chief (played by Ti Lung) also finds T, hoping that he can turn over a new leaf, find the suspect of the kidnapping, and help the police to eradicate the mob at one stroke. Faced with the dilemma of future choices, T falls in love with the sister of another gang member (played by Serena Xu) at this time, which makes his heart begin to suffer from the painful struggle between the desire for a peaceful life and the inescapable responsibility. As the truth is revealed bit by bit, he realizes that he has to pay a heavy price for the truth...