Gerry "Fitz" Fitzgerald is an insulting, nosy, loathsome individual who is drunken excuse for a husband, a lousy father, and a gambling washout but he has one saving grace - he is a brilliant psychologist with an uncanny ability to see the evil in people, bring them to confess and walk away unscathed. He seems to understand the criminal mind, most probably because his mind isn't that far removed from the criminals he deals with. <br> Cracker was based upon the Cracker series for the UK that starred Robbie Coltrane.
Fitz assists the police department in tracking down a serial killer who claims to be in love with him. With the clock ticking and minimal evidence to move the investigation along, Fitz must find a way to locate the killer before she strikes again. As if that weren't enough, Fitz is also having problems at home: Judith, his wife, is on the verge of throwing in the towel on their marriage; and Michael, his teen-aged son, finds it extremely difficult to relate to his equally troubled father.
Fitz' son, Michael becomes the next target for attack by the serial killer who claims to be in love with Fitz and he must race against the clock to find the killer before his son joins her other victims.
Fitz is hard-pressed to prove the guilt or innocence of a murder suspect claiming to have amnesia, despite a mountain of evidence against him. Meanwhile, Fitz goes down on bended knee, trying to woo Judith back home. He also enters gambling therapy, which backfires in the most extreme manner possible.
When a teacher is suspected of killing a young male student, Fitz' mesmerizing interrogation leads to a startling conclusion. Meanwhile, Fitz considers a proposition from Tyler after discovering that Judith is dating their marriage counselor.
A newborn baby has gone missing from the hospital. A man has been seen leaving the hospital, but regardless of the witnesses and video evidence, Fitz is convinced the kidnapper is a woman. Truth, however, ends up being more suprising than any wild suspicions. Meanwhile, Fitz and his son are in bitter disagreement over the son's ex-girlfriend and her re-appearance into their lives. Fitz also attempts to communicate with his wife, which ends up being a mistake.
Fitz joins forces with the Los Angeles police department as they track a severely distrubed young couple, who have fallen in love while on a murderous rampage. Meanwhile, Judith rejects Fitz' latest plea to move back home after discovering that he continues to suffer from his gambling addiction.
When a young boy is accused of murdering his mother, Fitz retraces the victim's final hours, determined to find another explanation for the vicious crime. Meanwhile, Fitz's family bonding efforts at Sunday dinner blow up in his face.
When a controversial radio personality is being stalked by one of her listeners, Fitz's investigation yields shocking and deadly results. Meanwhile, Fitz discovers that Judith has plans to spend a romantic evening with their marriage counselor and retaliates by taking Tyler to the same restaurant.
A famous porn star has been murdered, and the evidence seems to indicate that her estranged father is involved. Meanwhile, Fitz has a heart attack, which brings Judith back for a temporary reconciliation.
Fitz assists the police in tracking down a serial killer who's killings have all the earmarkings of being revenge killings on the behalf of his severely injured wife. Meanwhile, Judith admits a betrayal of marriage to Fitz.
Fitz and the police are startled to discover that the next target for the serial killer is someone they all have a relationship with, putting them under far more pressure, as things become increasingly dangerous. However, there is some uplifting news, as Judith's admission of betrayal somehow brings both herself and Fitz together again.