“全球健身中心”的创始人怀特•古德曼(本•斯蒂勒 Ben Stiller 饰)为人嚣张,以兼并其它健身馆为乐事。健身中心附近有一家惨淡经营的大众健身馆,其负责人彼得(文斯•沃恩 Vince Vaughn 饰)生性淡漠,对一班怪诞的老顾客长期免费服务。为吞并大众健身馆,古德曼购入后者的债权,并委托银行找来律师凯特(克里斯蒂娜•泰勒 Christine Taylor 饰)要求彼得在30天内筹集五万美元还债,否则健身馆将转入古德曼名下。一筹莫展的彼得与众位老顾客、雇员想到参加拉斯维加斯举办的“躲避球大赛”,期望得到冠军奖金解决燃眉之急。同时不堪古德曼骚扰的凯特也加入了彼得一边,古德曼亦组织球队参赛,意欲将彼得等人截杀……White Goodman (Ben Stiller) is the owner and founder of Globo Gym, and would love nothing more than owning Average Joe's Gymnasium. Peter LaFleur (Vince Vaughn) doesn't want to lose his gym to Goodman, but can't find a way to get $50,000 in time. Peter and his gang of gym buddies think of ways to raise money, finally settling on winning a dodge ball tournament. White Goodman retaliates by creating his own dodge ball team to finish off Peter. Peter's team doesn't do too well, until legendary ADAA champ Patches O'Houlihan (Rip Torn) turns up ready to train them.