Power Ballad turns up the volume on nostalgia, music and comedy in a wildly entertaining new film starring Paul Rudd and Nick Jonas. Rudd plays a washed-up 90s rock star whose glory days seem long behind him, while Jonas plays a younger pop sensation who unexpectedly records one of his forgotten songs and turns it into a global smash hit. When the two musicians collide, their rivalry, egos and generational differences spark a chaotic battle over ownership of the song that could change both their careers forever.