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.
When two siblings discover their seemingly normal mom is a former thief in witness protection who has been forced to pull one last job, they team up to rescue her over the course of an action-packed night.
A sports writer unused to relationships falls for a fling, leading her to reconsider playing the field in favor of commitment.