George is the scapegoat of his classmates. One day he cracks and shoots them. His best and only friend Blaise is accused in his place and sentenced to 7 years in a psychiatric hospital. At the day of his release, Blaise realizes he only has one family: his best friend George. But he does not want to hear about his childhood friend, as he tries to integrate with the "Chivers" a gang whose members wear red jackets and boots, drink milk, drive sport trucks and play an incomprehensible and violent game that mixes cricket and mental arithmetic.

　　繁華的國際大都會香港鬧市中心，口若懸河的洪家寶（陳百祥 飾）帶著傻乎乎的小弟麥交（邵國華 飾）公然行竊，結果路上遭遇妙齡女郎嘉嘉（張艾嘉 飾）舉報。雖然兩人百般抵賴，但在最后關頭漏了馬腳，被警察關進監獄。令洪、麥意想不到的是，嘉嘉居然是監獄的輔導官，所謂冤家路窄，洪家寶真是窩了一肚子火。二人所在的牢房獄霸橫行，為了逃出對方魔爪，他們不惜羞辱監獄長官。經過一段時間牢獄之災，二人和獄中認識的伙伴冠仁（胡大為 飾）出獄。誰知他們死性不改，騙吃騙喝再度鋃鐺入獄，這次又撞上了有著一副好皮囊、愛裝警察的小混混榮仔（張國榮 飾）。　　洪家寶大罵榮仔，意想不到的是榮仔的老姐居然就是洪的仇敵嘉嘉……

　　一群銀行劫匪從銀行逃出后,來到了

　　Nearly murdered as a child by her mother, a woman (Katrina Law) returns to the house where her mom went mad.