CID彭定安与吴发刚调查两宗手法一样的凶杀案,唯一的线索是在案发现场找到酒和有唇膏印的酒杯,两名死者都是已婚男士。彭定安与吴发刚相信两宗案件都和单身名仕会所有关,展开调查后结识了单身名仕会所负责人江敏和梁倩雯,调查无头绪下,第三宗同类命案又再发生……。The crooks in London know how it works. No one carries guns and no one resists the police. Then a new gang appears that go one better. They dress as police and steal from the crooks. This upset's the natural order of the police/criminal relationship and the police and the crooks join forces to catch the IPOs (Impersonating Police Officers), including an armored car robbery in w...。