For Nat, acceptance to New England's exclusive Inverness College seems like the opportunity of a lifetime. But when Nat is alone on the campus over the Christmas break he meets twins Grace and Izzy.
Privileged and effortless, their life is a world apart from Nat's. And it proves fatally seductive. Suddenly, a risky but well-intentioned game is slipping out of their control, with terrifying consequences . . .