街小人杂，帮派林立，猪肉帮向来与理发帮竞争高下，没想到来了个黑太阳帮，原是斜眼白眼两活宝，生生抢去风头，更有乌龙警探比猪蠢有余，人家拼个魔方溜个冰犯法了？最美白雪公主，艳压杂菜帮，迷倒大街小巷，掐架者忘其所为，遂打成一片。

A group of youngsters with untamed hearts often create conflicts with others and get into trouble. While meeting a pretty and gentle girl one day, will there be any change in their lives? Leaders of the Hairdressing Gang and Pork Gang, aka Black Hair Lover and Pigtail respectively, represent the new generation of the 1980s. Their thinking, actions and spirit seek to free themselves from the shackles of old traditional ideas. They are willful and uninhibited. During a gangsters’ meeting, two gangs come into conflict. In the end, all are arrested by detective Oolong. As juvenile delinquents, they are sent to be under the supervision of a female probation officer.