托马斯杜力是个麻烦的警察，他的同事都认为跟他搭档很难搞，这时来了个杜力的新搭档杰瑞李，他对毒品的嗅觉非常敏锐，只不过“他”是只训练精良的德国牧羊犬，别称“冲锋九号警”，他俩的组合可说是该镇的绝佳搭档。两人的聪明程度不相上下，要看谁比较厉害，就要仔细观赏这部趣味横生的动作喜剧片。
To not burden their impoverished parents, two siblings decide to share a pair of shoes after the brother loses the sister's. While this turns out to be more difficult than they imagined but fate offers a chance in the form of a marathon.
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.
A family's perfect Christmas reunion is upended when old rivalries, secrets, and romantic mix-ups come to a head.
