A "black widow" is stalking the grounds of the Chautauqua Institution searching for her next victim Special Agent Darrin Carter, F.B.I. is assigned the task of capturing the "Siren" serial killer before she strikes again. Memories of the past and childhood sweetheart Katy Morrow are unexpected obstacles to his investigation. Katherine is a survivor with an inn to operate. She doesn't need reminders of a tragedy and people interfering with her life, especially Darrin. Could love be a distraction in the hunt for a cunning murderess?