In 1999, a deadly Y2K rave leaves a group of friends forever changed. Twenty-two years later, the life of pregnant 16-year-old Imogen Adams is rocked by the sudden death of her mother, Davie — and the fallout of a fight with her former best friend, Karen. Then, as Millwood High’s Spirit Week approaches, Imogen and a group of fellow outcasts are targeted by a shared enemy.