Phil Beecher returns from a year in prison for vehicular manslaughter of Aggie Norris the sheriff's daughter. His wife Kathi forgives him, although the people of the town despise him. Phil is charged when sister Charlotte Norris is killed.
Howard Walters and his mistress, Janice Atkins, plan to rob Wade Taylor's company, blame Taylor's son, and fake Walters' death. Janice schemes with Roger Porter to double-cross Howard. Plans go amiss and Taylor's wife is charged with murder.
Walking down the street, Korean War veteran Arthur Poe is shocked to see a book about the war displayed, 'written' by Ben Sutton who was with him in the war. The book is a bestseller but is actually based on a diary Poe kept in the war.
Perry takes on the case of Jefferson Pike who is referred to him by none other than DA Hamilton Burger. Pike and Burger are old friends - Pike once saved his life - and the D.A. officially removes himself from anything to do with the case.
The CEO of a company is in a proxy fight with another officer with a bad reputation. The CEO is forced to grant his wife a divorce to get her proxies. His opponent has the books checked which turns up a huge theft and a murder.
A man is caught on camera killing his wife by pushing her over a cliff in a car. The photographer blackmails the man, bleeding him dry, as the man cons others by overselling ownership in a wildcat well. The con man is then murdered.
A novelist sends her secretary to pick up a package at a remote cabin, but in the driving rain, her car becomes stuck. At a cabin a man denies knowing anything about a package but allows her to dry off. He disappears, and she finds a body.
In Rowena, CA where draw poker is legal, Manning Ennis pays a casino manager, Slim Marcus, $60,000 to settle his losses. The only witness to the game is the singing cigarette girl, Betty Roberts. When Ennis' wife is killed, she is charged.
Perry, looking for a roving prospector as a witness, runs into a young couple working a worthless gold mine. Their neighbor wants to buy the property but they refuse to sell. When the neighbor is murdered, the young owner is charged.
When a Matisse painting is stolen from a museum, the finger is pointed at an assistant in the museum whose boyfriend is an artist as well as his estranged wife. The wife tries to blackmail the museum owner but is murdered after a fight.
A developer sets up a trap to catch one of his nephews who he suspects of stealing information for their own profit. When the trap catches no one but the information leaks, he turns to Perry. Perry finds the thief - dead in his garage.
A fashion designer on live TV negates a deal her husband/partner brokered with another firm. Later, before their fashion show she takes a pill with champagne provided by her husband and shortly falls to the floor saying she was poisoned.
Perry moves to military court to defend a submariner of two murders - one his wife. The second victim is an officer investigating the murder and in charge of approving a new device for the Navy from a company bought by his father-in-law.
A man travels to Outcast to thank a man who donated to the orphanage where he was raised but is turned away due to his looks by everyone but a man he met fishing. When the man he came to thank is murdered, he is charged with the crime.
Inventor James Frazer thinks his wife Thelma is having an affair, so he leaves for three months to work on his aircraft anti-collision device. James returns home to find his locked workshop in flames and Thelma dead inside of a gunshot.
After funeral services for Louise Holbrook, her daughter, ten-million-dollar heiress Trudy, meets a man who claims to be her father, long-gone Jay Holbrook. The family head, old Cousin Lawrence King, is blind and cannot identify Holbrook.
After a two-year absence, Hartley Basset returns to reclaim his company. His wife Sybil is at a stockholders' meeting to vote with company president Peter Dawson to restructure the business after charges that her husband embezzled funds.
In an unusual case, Perry clears his client from a hit-and-run homicide only to find him charged with first-degree murder instead. As a favor to another attorney, Perry's client had agreed to help cover up a hit-and-run accident for him.
Perry must defend the secretary of a client whose wife and his con-man nephew tried to blackmail him. The murdered nephew's body is burned in a cabin fire but the secretary who delivered the payoff money is charged with shooting him.
A woman fed up with working as a mule carrying money for illegal activities fakes her own suicide to get away. When the money on her last trip turns up missing, she finds herself involved in the murder of the woman who picked up the money.
At Caresse Cosmetics, Max Pompey fires Karen Lewis for allegedly selling new formulas to competitor Gabe Rawson. Karen goes missing and her boyfriend, Peter Nichols, consults Perry Mason. She may be hiding something from her childhood.
Riley Morgan is freed from prison after a seaman comes forth after six years to confirm his alibi for a murder. However, the seaman indirectly tries to use Morgan's situation to blackmail the principals in the case and is murdered.
Four years after a half-owner of a circus is mauled by a tiger, the two owners are trying to buy out each other. Both are after a clown in the circus for the funds. The second owner is blackmailing him about his wife's second marriage.
A renowned concert pianist with a disabled hand appears to commit suicide invalidating his life insurance. A fight starts over the future of his young protégé. When the suicide becomes a homicide, it is the protégé who is charged.
As Perry prepares to go to Scotland on vacation, a little girl arrives in his office asking him to determine who she is. His search takes him to Switzerland where he meets a woman who becomes his client after a murder.
Judson Bailey is out to take control of the boat-building company once owned by his new wife Emma's late husband. He has Emma's proxy and can vote her shares. Bailey is found murdered, and Lester, Emma's son, is charged with the crime.
Everyone is against Burt Farwell marrying Rita Conover--especially his daughter, who is having severe problems over it. Rita is "no hit" with Burt's ranch hands, either. When Rita is murdered, the family tries to cover for one another.
When an important government job is offered to the Mayor of Upton, his wife will go to any lengths to help her husband get the job including putting her own illegal activities on hold and resorting to blackmail which ends with her murder.