It is the final showdown as the gang try to save the prime minister from the Headmaster - but how far will they go to protect their individuality?

The gang get excited that they're not alone - someone else knows about the Headmaster! They hope that rescue is on its way, but their search for whoever left the message is fruitless - until a mystery teacher with attitude shows up. Who is she?

The gang decide to find out where the Headmaster came from and stumble on an intriguing clue that sends Lizzie, Ethan and Angelika on an exciting adventure. Following the clue leads them to an abandoned school, and they set off on a scary treasure trail around the building. Is whoever set this trying to help them, or is it a trap?

Lizzie is burdened by the secret of Ethan's past, but should she tell him? While Lizzie struggles with her moral dilemma, the rest of the gang get excited at a huge opportunity - the Headmaster is leaving the school premises to tour the schools he intends to hoodwink into joining the Hazelbrook Academy chain. With the Headmaster away, the gang will play - but how?

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.

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!

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.

After six months away from their failing scary school, Lizzie and Tyler Warren are shocked to find that 'every student is a star', due to the inspirational new headmaster. But how?