A dead con man. A rogue cop. A town held hostage. When a serial entrepreneur is found dead from a mysterious substance, federal investigators Bernadette Becker and Dr. Kep Woodhead are called into get to the bottom of it. But the cause of death isn't easy to identify-and the local cop in charge has his own agenda. Soon, the victim's fiancée is arrested for the crime-one that Becker and Woodhead are positive she didn't commit. Can they uncover the truth before the killer strikes again?