A double murder seems to be the work of a notorious serial killer named Red John, but CBI consultant Patrick Jane thinks it's the work of a copycat.

The body of Melanie O'Keefe is found at a Napa Valley vineyard. Teresa believes that the murder is the result of an argument between lovers.

The body of a young surfer girl is washed up on the Santa Marta Beach and Patrick socializes with her friends to find the killer.

A wealthy banker is found dead inside a secret vault in his house, and the team delves into his secret life to find out who killed him.

A girl is found stabbed to death in a forest and her amnesiac best friend is the prime suspect, although Patrick has doubts and attempts to jog her memory.

The severed hand of a hotel casino owner is found on the California-Nevada state line. While the CBI suspects it's a mob hit, Patrick uses the opportunity to win big by counting cards.

A wealthy woman is killed in a hit-and-run. The investigation leads the CBI to a psychic woman the victim regularly visited, whom Patrick, being an ex-psychic himself, suspects of being a con woman.

CBI is forced to work with two Davis police officers to solve a double homicide involving a star witness in a drug trial. However, CBI soon suspects that the officers may have a connection to the other victim in the case.

CBI uncovers three arson cases, all of which involve men in the same real estate business, and who also served in the same National Guard unit.

An acquaintance of Patrick requests his help in solving a murder related to a neurological science project which involves animal testing.

Patrick makes a deal to try and prove a convict's innocence in exchange for information about Red John.

A young football talent in a small town is found dead, apparently killed in a black magic sacrifice ritual, and the center of the investigation becomes a self-proclaimed Wicca whose cat was allegedly tortured and killed by the victim.

CBI discovers that an executive's murder is tied to the theft of a valuable painting, and the investigation leads to confrontation between Patrick and a Russian mobster who wanted the painting.

The wife of a wealthy businessman is found shot to death in a spa and the CBI suspects that her womanizing lover is connected to the murder.

A wealthy jewelry designer is poisoned at a party and the CBI's investigation uncovers the double lives of a number of people around her.

Patrick is temporarily blinded by a bomb blast just before the CBI are called in to investigate the murder of a stock-broker.

The Attorney General receives some strange email, CBI is ordered to investigate. They're soon investigating a high profile murder that involves a company's executive board.

Car salesman Carl Resnick brings CBI the body of Mary Beth Hendricks (27), thinking it's a 'sack of potatoes': resulting from a masterly hypnotic suggestion, which leads Patrick Jane and CBI to investigate a man who uses hypnosis to trick people into doing his crimes for him.

A former state senator is murdered, and the team discovers that he was producing a movie for his actress wife and that he may have a connection to a drug dealer.

An ex-mobster in the Witness Protection Program is found executed. The mafia is the prime suspect, so Patrick socializes with its leader.

While investigating the murder of a C.E.O., Patrick matches wits with a sexy con artist who was trying to get her hands on his secret stash of millions of dollars.

A teenage boy's murder appears to be related to a secret group he belonged to at an unorthodox school for troubled teens.

A victim is discovered in a park deliberately disposed of in CBI jurisdiction with evidence that Red John is involved. The team learns there may be another victim, and suspects Red John is luring Jane.