Mia arrives on Peregrine Island expecting to take her usual place as Queen Bee of the camp. She's picked out her bunk, her new BFF in loveable if slightly ditzy Kayleigh and her summer fling in the handsome Dev, before the first icebreaker game.

She's all set up to have the summer of a lifetime. But then mysterious latecomer Amber arrives and things start to turn. A friendly game of Capture the Flag ends in Mia being set up. Her plan for a secret midnight picnic is hijacked. Kayleigh starts acting strangely and suddenly declares her allegiance to Amber.

When the ballot opens for Midsummer Queen, Mia spots an opportunity to dethrone Amber by forming a new alliance. Out in the woods, friendship blossoms for Alex.