1960s Northern California. At the start of summer, a lonely teenager, Evie Boyd, sees a group of girls in the park, and is immediately caught by their freedom, their dangerous aura of abandon. Soon, Evie is drawn into the circle of a soon-to-be infamous cult and their charismatic leader. As her obsession intensifies, Evie does not realize she is coming closer and closer to unthinkable violence. A New York Times bestseller.