Ben and Audrey are unable fit in on the Isle of the Lost compared to Auradon, whilst Mal and Evie bond over their rotten ways with their friend Freddie.
After Jay and Carlos finally arrive to the Neon Lights Ball, C.J., the daughter of Captain Hook, reveals herself as the thief who's been stealing everyone's possessions.
Ally explains the truth about Mal's birthright jewel and her change in personality to Audrey, while Carlos, Jay, Jane and Freddie attempt to escape Jordan's lamp.
Evie inquires Mal to help her fix the cupcakes she baked for the Heroes and Heroines Festival at Auradon Prep, but their sweet intentions end up going wrong, leading to an explosion of taste.
Auradon's annual singing competition has arrived, and the competition is fierce. When each team tries to outshine the other, they eventually realize that they harmonize better when singing together.