Zheng Kai(Leon Lai)is a sales manager whose career is on the rise. When he planned to marry his fiancee Lin-Lin(Han chae young),his life changes dramatically–a commercial accident happened, Zheng Kai was forced to become a scapegoat. Zheng Kai frustrated to drink and get on an unlicensed car with unconsciousness and then fell into a serial nightmare–The “kindhearted” driver(Le Geng) began to call Zheng kai frequently and claimed to be his friend. The sober Zheng Kai forgot everything and felt discomfort about the driver’s entanglement, meanwhile Lin-Lin became suspicious of the relationship between Zheng Kai and the driver. Suddenly accident occured again, Zheng kai’s former boss was murdered by mysterious, Zheng Kai was considered as a suspected object. In order to avoid trouble, the exhausted Zheng kai tried to persuade Lin- Lin to leave here ,but an unexpected greater crisis is on the way..