Calla thought everything was great in her life until her mother died in a fire, and her identical twin sister, Lily, disappeared without a trace. Finally ready to move on, she's trying to get her life back to normal, but weird things begin happening around her. Thinking it must be one of the mean girls on campus, she ignores the signs. That is until her roommate goes missing, and she receives a message. 'If you want to save them, return to where it all started.' Now, she has to face the past and find out the truth if she wants to save the only people she has left.