Major starts to fall apart under the pressure of a compromised A.I., explosive secrets and Parfit kicking him out of the lab; a witness provides a shocking revelation, leading to a breakthrough in the serial killer case.
Taken off the Chelsea Bridge case, Major and Carver are assigned an investigation into reports of a dangerous new drug used in an underground MMA fight ring.
Major, Carver and Kelly have gone their separate ways. Things are looking up for the AI-enhanced Major, whilst Carver is gunning for a promotion and is knee deep in a new case.
With just three hours left to live, Carver and Kelly find a collapsed Major and try to get him to accept the truth. But Major is determined to solve Chelsea Bridge and exonerate his dad before his A.I. shuts down and he dies.