Hong Kong gangster Le Ye (Francis Ng) hid in the home of Xiao Bao (Peng Bo) in the Mainland because he owed 500,000 usury; Xiao Bao looked forward to going to Hong Kong to see big stars and enter the underworld because he loved watching gangster movies. In order to get money, Le Ye planned for two people to steal from Wang Shixiong, the chairman of a certain group. Unexpectedly, after entering the room, he encountered Charles (Lin Xue), who had become the "No. 1 Killer in Southeast Asia". Charles was hired to kill people to pay off his gambling debts, and there were several groups of people who hired him to kill. Wang Shixiong's daughter Wang Shiyi (Liu Ying) was rescued by Le Ye by mistake when she was kidnapped, but she lost her memory and had a low IQ. The innocent and dependent girl's feelings made Le Ye, who wanted to use Wang Shiyi for blackmail, hesitate to act. Just when Le Ye thought of a way to get money and protect Wang Shiyi, the real murderer behind the scenes and his men Tian Ji (Wang Taili) found them, and the killer Charles also came to the door...