Three sisters with quite different personalities and lives reunite when Babe, the youngest, has just shot her husband. Oldest sister Lenny takes care of their grandfather and is turning into an old maid. Meg, who aspires to make it in moxia.cc Hollywood as a singer and actress, has had a wild, man-filled life. Their reunion is joyful but also stirs up much tension.

　　杰西（黛安·基顿 Diane Keaton 饰）是深受同事和领导信赖的女强人，她和男友史蒂文（哈罗德·雷米斯 Harold Ramis 饰）虽然相恋多年，也住在同一屋檐下，但两人从未谈及过婚嫁，更别说要一个爱情的结晶了。　　一天，杰西接到了一个意外的电话，电话那头告诉她，她的一个远房表哥在一场意外中不幸逝世，留给了杰西一笔遗产，需要她签署一份协议以认领这份遗产。让杰西万万没有想到的是，这宝贵的遗产，竟然是一个名叫伊丽莎白的小婴儿。伊丽莎白的出现彻底打乱了杰西井井有条的生活，在一连串的波折之后，她不仅和史蒂夫分了手，还丢掉了工作。