Severity

He's cheating on her.  Marissa tracks Tristan's lovers to their addresses, trying to catch them in the act. But Tristan's women are ghosts who don't seem to exist, and now someone is stalking her.  After a series of bloody murders follow in Marissa's wake, she doesn't know who to trust. Marissa must stay ahead of a bloodthirsty killer to discover the horrible truth about her marriage.  If she fails, she dies.