罗宾（亚当•桑德勒 饰）无法完成歌星梦，于是他成为了一名婚礼歌手。他看过很多新人们幸福的时刻，却在自己的婚礼上遭遇未婚妻琳达（安吉拉•范泽斯通 饰）的抛弃，被抛弃的罗宾伤心得要死。幸好有侍应茱莉亚（德鲁•巴里摩尔 饰）的安慰，茱莉亚便盛意邀请他一起准备自己的婚礼。 　　茱莉亚的未婚夫是一名股票经纪，而且风流成性，身边美女成群。罗宾知道了茱莉亚的未婚夫是如此的一个人，却不忍告诉正陶醉在新婚幸福中的茱莉亚。 　　这时罗宾才发现，自己已经暗暗对茱莉亚产生了感情，而茱莉亚的婚期在即……Robbie Hart is singing the hits of the 1980s at weddings and other celebrations. He also can keep the party going in good spirit, he knows what to say and when to say it. Julia is a waitress at the events where Robbie performs. When both of them find someone to marry and prepare for their weddings, it becomes clear that they've chosen wrong partners.