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 which the police must help the gangs to set a trap.
编剧奈杰尔（马丁·弗瑞曼饰）、导演安德莉亚（玛琳·阿克曼饰）及其主演丈夫杰克逊（乔什·哈切森饰）与银幕搭档杰丝（杰丝·威克斯勒饰）四人因十周年粉丝大会重返威尔士，却因工作室代表订错月份而陷入充满意外与失望的周旋。
