贝卡（安娜·肯德里克 Anna Kendrick 饰）率领的巴顿大学阿卡贝拉女子美声合唱团终于出人头地，应邀为美国总统的生日宴会光荣献唱。谁知表演期间，“胖艾美”（蕾蓓尔·威尔森 Rebel Wilson 饰）竟意外走光，引起全场恐慌，令合唱团蒙上不雅污名，更被禁止公开演出！力挽狂澜的最后机会，就是赢得阿卡贝拉世界锦标赛的冠军，她们能否战胜来自德国的劲敌，挽回失去的名声，称霸阿卡贝拉的世界……
If there's one thing that the men of Rockford Texas love as much as their women, it's their guns. But when a gun incident at a neighborhood school spurs one stay at home mom, Jenna (Andrea Anders), to rethink Rockford&a
