Twenty years ago, Holly and Nicola were the outsiders at summer camp. Holly, the plump one, was a dreamer who longed to be an artist. Nicola, the shy, plain one, wanted nothing more than to be beautiful. Their cabin nemesis was Lexi. Rich, spoiled, evil Lexi. One night, Holly and Nicola teamed up to pull one daring act of vengeance. But they never considered that this one act would have repercussions for decades.