Law & Order: Criminal Intent: Year 4

A shock jock with a history of mental problems is believed to have committed suicide, but clues lead the detectives toward a psychiatric nurse with an obsession.

A controversial photographer is murdered, and his last shoot holds the vital clue.

Detectives Goren and Eames are after a serial killer with a special interest in women.

Goren has to interrogate his chameleon-like nemesis, Nicole Wallace, when she becomes a suspect in the slaying of a jewelry thief.

A leader of the Atheist movement is kidnapped and murdered despite the ransom paid, and the detectives find a suspect close to home.

The murder of a homeless worker leads to the discovery of seven murdered homeless men and to a mechanic who'll do anything for the woman he loves and her unseen adult daughter.

A car bomb kills three children, and suspicion focuses on their father and a mother.

An antique appraiser is found dead in a park. The detectives link the murder to silverware thefts.

Goren and Eames are investigating the death of a genius mathematician's assistant.

A condo association president is murdered, and the detectives follow leads that include a woman to whom God speaks, a substandard building, and an affair.

Goren finds himself matching wits with a paranoid chess master suspected of murdering a young woman in town to visit her fiancée.

The accidental shooting of a toy collector leads to a social group focused on vampires and to a con artist.

Detective Mike Logan inserts himself into the murder investigation of a correctional officer that may have a connection to his girlfriend who's a nurse at the victim's prison.

Goren and Eames investigate the murder of a former "honey." Soon they trace a lead to a very specific notebook. Seems that everyone wants to get it, and many are ready to kill for it.

When a promising chef disappears and a restaurant critic is murdered, Goren and Eames investigate.

Goren and Eames work a case where organ donation has a price for the recipients beyond their medical bills.

The detectives investigate the brutal murder of a young woman. Although it seems to be the work of a local pervert, Goren soon realizes that this might be the return of a notorious serial killer from the past.

A young woman in witness protection finds herself in a long game involving a mafia family and her biological parents.

The investigation into a woman poisoned with Dioxin leads to her husband and a connection from his past.

A suicide club that causes a train derailment leads back to a law practice and another suicide.

The fiancée of an aspiring actor is shot down in front of him, and Goren and Eames search for her killer all whilst he grieves in front of the cameras.

The death of a hospital engineer leads back to an old friend of Deakins who has political aspirations.

When the judge in a race-relations case is murdered, Goren and Eames sift through the likely suspects until they pick up a thread to a very unlikely one.