Detective Slaughter returns to enlist Castle's help in solving a high-stakes robbery case. But when a body is found linked to the crime, Slaughter becomes the number one suspect in the heist turned murder, while Castle has to determine whether he's guilty or help to prove he's innocent.
As Jarod unravels the mystery behind a crash at the racetrack, Sydney receives word that his comatose brother, whom Mr. Raines had ordered killed, has regained consciousness.
Mark investigates a racing team when an autopsy reveals that one of the drivers, thought to have died in a fiery crash, was actually killed hours before.
