Detective Jack Hale took a hiatus from the force when his partner died in the line of duty. Now back at work for the San Francisco Police Department’s Deviant Crime Unit, Hale is taking on the bizarre and deviant crimes committed by San Francisco’s most aberrant criminals. In his latest case, Hale tries to find an answer for the inexplicable deaths of healthy young women who seem to have died in their sleep. The investigation leads the detective to the lab of a local professor and a realization that makes everyone’s skin crawl.

Detective Jack Hale meets his “real” partner, Detective Danielle Carter, after learning Lyford was a plant by Lt. Cavanaugh to ensure he was ready to return to the toughest unit of the S.F.P.D. While Hale is getting to know and trust his new rookie partner, he and Carter must contend with a murderer who seems to be taking back the life-saving gifts from organ donor recipients. Not only are they in a race against time to stop this bizarre pattern of murders, but they also are beginning to realize that the motives for a crime can expose the monsters that may lurk just beneath the surface of all of us.

A convicted paedophile is found dead after offering to take a young girl home, he made the mistake of attempting to abuse her. The DCU suspect an adult attacker after a hair sample is found at the crime scene but there is a twist when Jack and Danielle discover that not everything is what it seems.

The squad has difficulty untangling the murders of a pair of twins, because all clues point in the same impossible direction. Meanwhile, Hale is thrown off balance when he becomes responsible for someone besides himself.

Detective Danielle Carter learns more about the definition of a deviant crime, she and Hale continue to forge their relationship as partners, and despite Hale’s best efforts, he is beginning to warm to her. Meanwhile, Hale and Carter are thrust into the dark underworld of Egyptian mythology as bizarre crimes involving ancient hieroglyphs and rituals have the D.C.U. on a hunt for one person’s quest for the impossible.

Jack Hale is reminded of a past he had hoped to forget when a copy-cat murderer forces him to reconnect with the one man he hoped never to see again. Meanwhile, Detective Carter and Lieutenant Cavanaugh are torn between their desire to protect Hale from his demons and letting those demons fuel his determination.

When Lt. Ray Cavanaugh is faced with the possibility that he convicted the wrong person for a crime, he and his team are thrust into the obsessive world of gaming and the deviant way in which players are reenacting murder scenes from their favorite video games.

Keeping Detective Jack Hale and Detective Danielle Carter from solving a killing spree is a victim who survived the attack but can’t remember anything about it. What the D.C.U. doesn’t realize is that the victim holds more in his mind than just the memory of who tried to kill him.

Hale and Carter discover the strange world of earthquake chasers when dead bodies start turning up at Bay Area epicenters (of which there are many). Playing cards, dominoes, checkers and chess pieces are found near the bodies.

Whilst at a wedding, Carter witnesses the first in a chain of deaths that confuse the Deviant Crime Unit and the bomb squad. As little evidence for the cause of deaths is left at the scenes of the crimes, both departments are stuck for answers. There is a twist when Jack and Carter soon discover that everything was not as it originally seemed.

Chloe Middledorf is murdered whilst at a university sleep clinic, Jack Hale and Danielle Carter from the Deviant Crime Unit investigate, although they suspect the professor of the research, they soon realise that he is not guilty of using objects found at the crime scene to murder the girl.

Before your partner manages to hook up with someone else, you must win by killing their unlucky new friend. The Deviant Crime Unit investigates as husband and wife take playing a game to the extreme.

A madman gives victims 15 minutes to find a key which will save their lives, all so that he can earn money from an online business. Detective Jack Hale is left to deal with the case himself after one of Danielle Carters plans backfires, and she finds herself in a dangerous situation.