When a hedge fund manager who was also running a Ponzi scheme is murdered, Holmes and Watson must determine which of his clients is guilty. Also, Sherlock contemplates sponsoring a fellow recovering addict.

Now that the truth is out there, things will never be the same and everyone will have to face the consequences of their actions.

Neal and Peter take on an unprecedented asset recovery case for the Museum of Natural History: a stolen Tyrannosaurus Rex skeleton and its egg.

Jay and Manny set out to cut down their own Christmas tree; Gloria is on edge when her mother visits; Mitchell does last-minute shopping to find the perfect gift for Lily.

Axl wants to spend time with his friends when he comes home for Christmas; Sue’s allergies threaten to ruin her holiday; Brick’s lie is uncovered.

After a fight with Cyrus Gold AKA the Acolyte, Oliver is drugged and left for dead. Determined to cure him, Felicity makes a risky decision. The cure causes Oliver to hallucinate, and what he sees forces him to confront his past. Meanwhile, Barry continues to help Felicity, and their connection grows stronger. The Arrow asks Lance to look into Gold, but when the stakeout on Gold goes bad, someone is killed. Roy is captured and tortured by Brother Blood.

In a shocking cliffhanger episode, Coulson takes the war back to Centipede, and this time he brings in Mike Peterson for some super-soldier support. As they get closer to the truth, startling secrets are revealed and an unexpected twist threatens the team.

Brody’s loyalty to the mission wavers when he meets a ghost from his past. As Lockhart’s confirmation looms, Saul stares into the precipice between success and failure.

The FBI reluctantly enlists Jane’s help to find a missing computer programmer, but he won’t help unless Lisbon is brought on board as well.

When an investigation goes horribly wrong, Sherlock must testify in an official police inquiry which jeopardizes his and Watson’s future with the NYPD.