The Barton University A Cappella Women's Bel Canto Choir, led by Becca (Anna Kendrick), finally made a name for themselves and was invited to sing at the birthday party of the President of the United States. However, during the performance, "Fat Amy" (Rebel Wilson) accidentally exposed herself, causing panic in the audience, making the choir stigmatized and banned from public performances! The last chance to turn the tide is to win the A Cappella World Championship. Can they defeat their rivals from Germany, regain their lost reputation, and dominate the world of A Cappella...