殷超凡(秦祥林 飾)出身富裕之家,有個美麗的未婚妻,他卻愛上了貧窮且和智障弟弟相依為命的芷紜(林青霞 飾),兩人的戀情不被殷家許可,受到父母百般阻擾,芷紜因此離開了超凡,但殷超凡對芷紜的愛始終不變,這份堅持終於感動父母。When a filthy rich guy met a poor gal and fell in love, his authoritative father disapproved their relationship owing to his girlfriend's complicated family background and a retarded brother.