In this episode, Shenyong detective Chen Jiaju (Jackie Chan) will go to the mainland to break into the international arms and drug smuggling syndicate as a prisoner. With the help of mainland beauty public security officer Yang Jianhua (Yeoh Ziqiong), Jiaju smoothly approached Baoqiang (Yuanhua), a member of the group who is serving a sentence. The leopard forcefully regarded Jiaju as a confidant and planned a prison break with him. In order to let go of the long term, Jiaju readily agreed. After they escaped from prison, the leopard strongly advocated taking refuge in Jiaju's hometown, which was casually made up. Fortunately, Yang Jianhua arranged in advance and did not let out the horse's foot. Yang Jianhua called himself Jiaju's sister and went with them. When they came to Hong Kong, they met the boss of the group and successfully became a member of the group. Guessing bully took his men to Kuala Lumpur to rescue the kidnapped wife and met Jiaju's girlfriend Amy (Maggie Cheung). May didn't know that Jiaju was on a mission and thought he was having an affair with Yang Jianhua. May's move aroused the suspicion of the group members, and a series of wars were on the verge of breaking out!