When Po was sorting out Uncle Quan's relics, he found a pack of drugs, which was the lost physical evidence of a drug trafficking case. Po immediately reported to his boss, police officer Wang, and requested to use this as a clue to find out the truth. Unexpectedly, police officer Wang transferred Po from the project team. Po was dissatisfied with the boss's practice and secretly launched an investigation. But on impulse, he fell into a trap and was accused of participating in drug trafficking and imprisonment. Qiao Qiao, who is also a policeman, accidentally found police officer Wang behind the scenes, so he resolutely rescued Po and the two fled to Lamma Island.

In a bar on the island, Po found a photo of Ace and his hostess, A Feng (). It turns out that A Feng is Ace's old lover. Ace left without saying goodbye because of an accident, and Ace's friend Roque (Huang Qiusheng) is infatuated with A Feng and has been waiting for her. Po tracked down Ace and found Feng and Lok, but Feng and Lok kept their mouths shut. Po and Jojo decided to stay here until Ace came back. A series of accidents made A Feng infatuated with Locke, but just as she was about to accept Locke, Ace came back and wanted to rekindle her old love with A Feng. The three met in a bar, and Po and Jojo also heard the news and quickly brought Ace to justice. Just when the five men were deadlocked, police officer Wang led a large number of killers to kill them all, and five different people were forced to get together and fight with police officer Wang for the last time. ...