Violet, having only told her family and boyfriend that she can sense dead bodies and agreed to join forensic psychologist Sara Priest's team of eclectic investigators after Sara learned about her ability, works on a case involving the murder of a college girl by a serial killer dubbed "the girlfriend collector" and runs the risk of becoming his next victim.

As they make new acquaintances while pursuing separate interests, Cece, Gabby, and Prianka find their friendship tested when Gabby's new friends begin to rank the other girls in their grade in such categories as looks, smarts, and popularity.