Instagram influencer Marie Clark is pursuing a master’s degree in comparative religion while trying to overcome a traumatic history with the support of her psychiatrist, Dr. Brighton. Just as Marie’s life appears to be heading in a positive direction, her diary is stolen, and she starts receiving love letters from a fan who claims to be eliminating anyone they perceive as a threat to her. As her friends become potential suspects and the number of victims rises, Marie is forced to face her past fears to identify the murderer and take back control of her life.