Lizzie is under the Headmaster's control, but Ethan Prendergast knows something is wrong and won't give up on her. They resist! Lizzie defies the Headmaster, but there is a cost.

Fearing the Headmaster plans to use the school science fair to hypnotise their families, Lizzie and Ethan hatch a plan to find out how the hypnotism works and stop him!

With the help of a surprising new recruit, Lizzie leads an espionage mission that unlocks the Headmaster's terrifying plan but also the painful truth about Ethan.