因和女友洛萍·哈瑞斯（莱丝莉·曼 Leslie Mann 饰）发生不快，房地产经营上史蒂夫·考维克斯（马修·布鲁德里克 Matthew Broderick 饰）被迫搬到一幢新的公寓。不久，有线电视安装人员杜哲（吉姆·凯瑞 Jim Carrey 饰）登门拜访。杜哲举止乖张，为人却颇为幽默开朗。两人由此成为好朋友，更相约外出游玩。在杜哲的指点下，史蒂夫成功赢回女友的芳心。然而杜哲似乎过于热情，他越来越...
Story follows an out-of-work steel worker as he struggles to provide for his family and avenge his brother's death by fighting in a mixed martial-arts match against a dangerous opponent....