Several years after we last saw him in “Pitch Perfect,” Bumper Allen moves to Germany to revive his music career when one of his songs becomes big in Berlin.

When Ruby unwittingly witnesses an explosive secret at Maxton Hall private school, the arrogant millionaire heir James Beaufort has to deal with the quick-witted scholarship student for better or worse: He is determined to silence Ruby. Their passionate exchange of words unexpectedly ignites a spark...