Ah Hu is a free-fighting boxer (played by Andy Lau). He represented Hong Kong in Thailand to participate in the competition with the mentality of "fake boxing", and he didn't think about winning the competition at all. Ah Hu met the female photographer Ah Ping in Thailand, and they developed feelings after getting along. Ah Hu gave up halfway during the competition, but his opponent deliberately provoked him. Ah Hu was enraged and killed his opponent by mistake. As a result, Ah Hu was sentenced to 13 years in prison. After being released from prison, Ah Hu was anxious to find Ah Ping, but it turned out that Ah Ping had passed away, leaving behind the daughter Poly who was born to Ah Hu. Ah Hu tried his best to find his missing daughter. In the process, he met the director of the orphanage, Ping (played by Takako Tokiwa), and the young director helped him find his daughter. Poly, who was also stubborn, was very dissatisfied with his father abandoning them and their daughter, and Ping mediated. The daughter asked Ah Hu to win the boxing match before she would meet Ah Hu and reconcile. Later, someone recognized Ah Hu as the murderer of the year...