Violet, a high school junior, discovers the body of a teen killed by "the girlfriend collector" and is determined to solve the case, but the serial killer is on the lookout for a new "relationship" and Violet may have caught his eye.
High school junior Violet uses her uncanny ability to sense murderers and their victims to try to stop a serial killer who is terrorizing her town, and although her best friend and would-be boyfriend Jay promises to keep her safe, she becomes a target.
Sixteen-year-old Violet Ambrose's ability to find murder victims and their killers draws the attention of the FBI just as her relationship with Jay, her best-friend-turned-boyfriend, heats up.