When his human, Freckles, joins the pet club and signs up for a talent show at her new school, Oliver the loyal cat has no choice but to help out but is dismayed when Freckles takes in a foster kitten who upstages him.
While trying to figure out which of their brain parts is exciting enough for the Monster High talent show, Frankie Stein discovers they are the product of a disgraced scientist accused of unethical experiments and teams up with Draculaura and Clawdeen to discover the truth.