Deeks has trouble dealing with his amnesia after being shot saving Sam on their first assignment as partners. The team struggles to help him. Please read "Forget and Remember" first for full effect.

Two detectives from Deeks' past push him and the team to the limit as he has to relive one of the darkest periods of his career and try to survive the aftermath.

Deeks goes undercover as a homeless man to investigate a new drug dealer and is surprised by what he discovers about the man.

Deeks recalls the things and people he will miss as he lies dying after being captured during an assignment.

Deeks finds himself back in the desert fighting for his life on an LAPD undercover assignment with human traffickers run by a vicious and dangerous man.

Kensi and Deeks go undercover together and one kiss turns the operation into a dangerous situation for both of them.

Deeks is brought in as a backup to Lauren Hunter who is undercover at a law firm. His alias is introduced as her boyfriend and Kensi is not happy.

When Deeks risks his career for a young abused boy, Callen has to fight to save them both.

Deeks has been deep undercover for a long time with a group of white supremacists planning a terrorist attack and it is taking a psychological toll on him that worries the team.

The team struggles to help Deeks deal with psychological problems after his five month undercover assignment with white supremacists.

Deeks reconnects with a teacher who helped him in the past and whose memories shed light on his childhood.

Deeks encounters a cop responsible for a blown undercover assignment and his anger and need for vengeance almost overwhelms him. The team struggles to save him as secret forces come into play.

Deeks goes undercover as a wealthy investor to infiltrate a syndicate using murder to further their reach for power. Hetty tries to teach him about the finer things in life and he's not sure he knows how to act like a rich man.

Deeks has returned home after a trying undercover assignment that has left him injured.

Deeks is doing volunteer work at the shelter when gang trouble makes him wonder if he will survive the night.