Wu Kejian

Sun Datao, the owner of a restaurant, is shot dead in front of his own establishment. The killer remains at large. Detective Tang Qi investigates and learns that Sun had previously cut and injured Sha Lianfu, a thug recently released from prison, in a jealous dispute over a woman. Sha is currently hospitalized in the city's No. 2 Hospital. Late one night, the stone cover of an underground heating pipe in the hospital ward is quietly lifted. Several shadowy figures emerge, secretly carrying Sha Lianfu away without anyone noticing.

Hong Kong bald detective Cheng Chang, who went to the mainland on vacation, met Liu Bingbing, a female student of the Police Officer University who worked in the hotel during the summer vacation. There was a misunderstanding between the two sides. For this reason, Liu Bingbing was fired by the hotel manager. The two met again in a busy square and were acted as extras by the director of the film studio. They were unwittingly involved in a major robbery. They followed the criminals to a smuggling boat. Under the circumstances of few enemies and few others, Chengchang and Liu Bingbing exerted their skills and cooperated tacitly. They fought hard with the criminals. Finally, they defeated the criminals and completely destroyed a gangster from Hong Kong.