『放課(ke)后(hou)の優(you)等生(sheng)1~3』介紹:周小(xiao)龍(long)(long)(周星馳 飾(shi)(shi)(shi))與(yu)父親周飛鴻(hong)(元華 飾(shi)(shi)(shi))生(sheng)活在(zai)大澳,與(yu)師妹毛(mao)(mao)毛(mao)(mao)(毛(mao)(mao)舜筠(yun) 飾(shi)(shi)(shi))是一對(dui)單純的(de)歡(huan)喜冤家(jia)。某天,小(xiao)龍(long)(long)的(de)師叔毛(mao)(mao)仁(ren)(梁家(jia)仁(ren) 飾(shi)(shi)(shi))到大澳躲債,飛鴻(hong)托阿(a)仁(ren)把兒子(zi)小(xiao)龍(long)(long)帶到香港發展,阿(a)仁(ren)意外發現了(le)(le)小(xiao)龍(long)(long)高(gao)(gao)超的(de)臺球技術,變決(jue)定利用小(xiao)龍(long)(long)進行賭博。黑幫龍(long)(long)哥看(kan)中了(le)(le)周家(jia)大澳的(de)田地(di),便要求阿(a)仁(ren)以地(di)皮為賭注。小(xiao)龍(long)(long)面對(dui)對(dui)方的(de)世(shi)界級高(gao)(gao)手,壓力巨大因此(ci)輸掉了(le)(le)比(bi)賽。毛(mao)(mao)毛(mao)(mao)為了(le)(le)鼓勵小(xiao)龍(long)(long),把自家(jia)的(de)田地(di)也作為賭注,決(jue)定要再次把自己(ji)的(de)土(tu)地(di)贏回來(lai),但壓力仍(reng)然困擾著小(xiao)龍(long)(long),比(bi)賽一度落后(hou)……