Red John’s CBI mole is revealed which leads to a highly emotional confrontation with Patrick Jane.

The CBI team investigates a shooting death after the body of a man who owned an online matchmaking service is found floating in the marina. Patrick Jane is determined to prove that the owner’s manipulative wife is the killer.

Competition is in the air when Patrick Jane goes head to head with a criminal profiler that the CBI has been assigned to work with. Both are out to prove their methods are the better way to solving a double murder.

While LaRoche continues his Todd Johnson murder investigation, the CBI turns its attention to a professional fighting murder case.