Neglected by her workaholic husband, a young wife, Maren Abbott, meets a man through Wandering Eye - a networking website designed to facilitate extramarital liaisons. Charming as he is, she realizes she can't go through with the affair. When he is found brutally murdered in their hotel room, infidelity is the least of Maren's worries as she finds herself in the cross-hairs of a serial killer who uses the website to trawl for his next victims.
Following the death of her husband, Kate moves back home with her young child to live with her sister. As she begins to rebuild her life, she quickly realizes that the Doctor for whom she works is really a psychotic serial killer, his victims murdered with snake venom. As she begins to unfold his dark secrets, she finds she is in as much danger as his victims.
Just as her life is coming together, Allison experiences a terrible tragedy when her boyfriend is murdered by an intruder from whom the woman herself barely escapes. The police capture a man they believe to be the killer, but Allison, still unsettled, has her doubts. Things take a frightening turn when she meets her friend's new boyfriend and suspects him to be the killer.
