When one of the Kidz Bop stars twists an ankle while rehearsing for their sold-out concert at Madison Square Garden, they need a replacement—and fast. But which of the talented kids who show up at the Kidz Bop Awesome Auditions held at theaters around the nation will win the coveted slot? Each Kidz Bop star has an opinion and sparks begin to fly!

By the time the dust settles, there's a new Kidz Bop star in the making. But just as the curtain is about to go up, the injured party shows up, fully recovered and ready to perform. In the scramble to accommodate Kidz Bop Plus One, everyone must rise to the occasion, swallow their pride, put aside their disappointment, and forget their fears as they give the performance of their lives!