故事发生在一个名叫加里森的小镇中，由于镇上居住的大多数都是警察，于是人们亲切的将其成为“警察镇”。一次意外中，警官巴比奇（迈克尔·拉帕波特 Michael Rapaport 饰）误以为两个青年想要开枪向他射击，出于警察的本能，他先发制人将两人击毙。事后，巴比奇才发现，当时那两个年轻人手上拿的根本就不是枪，而是一把方向盘锁。...
Grisha, a former spoiled brat, who was a serf and became a man, after a trip to the "past" is sensitive to any injustice. And, of course, he cannot get past the lawlessness that the impudent and spoiled Katya creates. It is not surprising that soon spoiled girl finds itself in a different time....
Charlie is released from prison and immediately swindled by a fake parson. A fellow ex-convict convinces Charlie to help burglarize a house, but Edna, the house's owner, catches them and calls the police. Charlie, however, manages to charm his way out of trouble .... at least for the moment....
拉萨雷校长面对警察工作难以及时到位的现状，再出奇思异想，推出“全民警察”计划，由警校负责培训社会志愿者，以加强警民联系。于是乎，马哈尼（斯蒂夫•古根伯格 Steve Guttenberg 饰）、高塔等六人组以及卡拉汉教官再次受命返回学校。与此同时，昔日的教官哈里上尉担心志愿者会影响警察们的工作，对拉萨雷的计划唱起了反调。警察学校方面的各毕业生迅速开展志愿者征集，引发哈里粗暴执法的滑板少年等人纷纷加入，全民警察计划正式启动，然而拉萨雷因为要参加国际警察会议，学校由哈里暂时接管。持反对态度的哈里自然不会给马哈尼等教官和志愿者们好果子吃，然而一次越狱事件，令志愿者们很快发挥了所学……...
