Trish's new boyfriend, Trent, auditions for a role as Austin's backup dancer and she decides to keep their relationship a secret from Austin and Ally so as not to influence Team Austin's decision.

Trent asks Ally to write him a song so he can be famous like Austin. After Ally refuses to help him, Trent steals her newest song that she worked on with Austin. Later on, the gang discovers that Trent became an overnight sensation by copying Austin's "Double Take" music video and going by the stage name, T-Fame. Trent quickly rises to fame and starts stealing Austin's life. Now, the gang must find a way to take him down.