贝特·米德勒与莉莉·汤姆琳饰演分别于纽约的上流社会和美国南方小镇生活的两对双胞胎,两人共分饰四角。贝蒂一边是精明能干的女强人,另一边是爱慕虚荣的乡下女郎;莉莉则一边是个性强悍的工厂领班,另一边是软心肠的千金小姐。最后她们终于见到了真正的双胞胎姐妹,会有什么趣事发生?In the 1940s in the small town of Jupiter Hollow, two sets of identical twins are born in the same hospital on the same night. One set to a poor local family and the other to a rich family just passing through. The dizzy nurse on duty accidentally mixes the twins unbeknown to the parents. Our story flashes forward to the 1980s where the mismatched sets of twins are about to cross paths following a big business deal to closedown the Jupiter Hollow factory.