为了拯救父母在小镇上的音乐演出场所，这个从大城市归来的女舞者决定策划场全为男性参演的圣诞主题滑稽剧，并逅了一个通晓所有技巧的男子。
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.
