A has-been singer is asked to write and record a duet with a popular teen singer to reignite his career, having never written lyrics before he turns to a woman who has a way with words.

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...

Following their win at the world championship, the now separated Bellas reunite for one last singing competition at an overseas USO tour, but face a group who uses both instruments and voices.

Belushi and Aykroyd star as the Blues Brothers who are trying to reunite their rhythm and blues band in order to raise some honest money.