True story about a young man whose dream has always been to play football for Notre Dame University. Because of his blue-collar background, nobody believes that he can even gain admittance to the school, and his small size will rule out football. But he confounds them all by entering the school and becoming a walk-on player for the team.

Arriving at her new college, Beca finds herself not right for any clique but somehow is muscled into one that she never would have picked on her own: alongside mean girls, sweet girls and weird girls whose only thing in common is how good they sound when they sing together. When Beca leads this a cappella singing group out of their traditional arrangements and perfect harmonies into all-new mash-ups, they fight to climb their way to the top of college...