Beca, a freshman at Barden University, is cajoled into joining The Bellas, her school's all-girls singing group. Injecting some much needed energy into their repertoire, The Bellas take on their male rivals in a campus competition.
Ben needs to make a woman fall in love with him in 10 days, Andie needs to lose a guy in 10 days. As fate would have it they meet each other at a bar and proceed to spend the next 10 days attempting to fulfil their assignments, with unintended results.
After a run-in with the law, Haley Graham (Missy Peregrym) is forced to return to the world from which she fled some years ago. Enrolled in an elite gymnastics program run by the legendary Burt Vickerman (Jeff Bridges), Haley's rebellious attitude gives way to something that just might be called team spirit.