Chan plays the kingpin of a red diesel crime ring who is forced to team up and co-operate with a hot-tempered police officer (Cheng) when his son is kidnapped, thus beginning an unlikely alliance between fellow police officers and criminals.
Chan memainkan gembong di sebuah organisasi kejahatan diesel merah yang dipaksa untuk bergabung dan bekerja sama dengan seorang perwira polisi pemarah (Cheng) ketika anaknya diculik, sehingga awal aliansi tidak mungkin antara polisi dan penjahat sesama.