Kathy Lujan, a married mother of two young boys, is believed to have run away with one of her lovers. Detective Rosie Rodriguez chases a trail of evidence and suspects that reveal the truth about Kathy's whereabouts.

In one of the largest and longest manhunts in the U.S., authorities finally identify the prolific Green River Killer. But now it's a cat and mouse game, as they try to get inside his mind, so he'll lead them to the remains of other missing women.