The killer escapes only to taunt Frank and Ingrid via phone. He knows about the secret pasts both detectives have worked so hard to forget. While they try to follow previous clues the killer continues to leave more bodies and new clues in their wake. Who is this killer, where does he come from, and how does he know things he shouldn't? Our detectives get closer but the price of this new understanding may cost them their sanity or their lives!