After a two-year absence, Hartley Bassett 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 agree 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 Caress 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 principles 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 including his daughter who is having severe problems over it. Rita is no hit with the hands on Burt's ranch as well. When Rita is murdered, the family tries to cover for each other.
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.
A new CEO has taken over control of a declining magazine with the intent to change it over the objections of the founder's son. The CEO, ruthlessly using blackmail to get what he wants, is murdered. The wife of the founder's son is charged.
A drunken playboy is in a hit and run accident. Peter's attempt to help the victim by buying his property finds Peter putting his father, who is the county engineer, in a compromised situation on a project when no victim turns up.
While conducting an inventory of a home whose owner died intestate, tax official Ralph Duncan comes across $153,000 in very old currency hidden under a drawer. The money is stolen from his briefcase so he consults Perry Mason.
An aggressive playboy has a steno work late, sabotages her car, and then offers her a ride and dinner. He detours them to a Malibu beach house where he makes heavy advances. She runs away and takes his car but he is found dead later.
A cold-hearted woman refuses to give her husband a divorce. His new invention gives him financial independence so his request for a divorce causes his wife to plan the destruction of the invention and his girlfriend but she is the victim.
A man who nearly drowns learns it is believed he is dead. Because he recently found he is dying, he decides to stay dead so his wife can collect his insurance. However, she is charged later when he is found shot dead after calling her.
The Kincannon family jewels are all the family has left and son James needs to sell them but the manager at Slade's jewelry refuses to allow the sale. James is charged with his murder after the jewels are stolen by the blinded manager.
When a man, jailed for embezzling from his bank is released, a girl he knows returns to their hometown to have him clear her name. She asks Paul to back her up so, when the man is found murdered, Perry is called in by Paul to defend her.
Mallory Construction company is set to finish a road project on time and at a profit when the owner learns he has trespassed, forcing a shutdown and bankruptcy. After learning he was swindled, he goes after the swindler who is murdered.
Tony Osgood is accused of killing a dentist helping treat a lion after the dentist is found dead at the zoo. His girlfriend working at the zoo had been sponsored to enter the US from Germany by the dentist who has a mysterious background.
Claude Demay is framed for burning an art collection in Brazil by Leonard Voss. After six years in prison, Demay returns to LA where he plots revenge using a copy of a tapestry he wove in prison. But, when Voss is murdered, he is charged.
Herman Albright, who has a crush on the model he handles for an agency, asks his wife for a divorce when her gambling debts become too much. He agrees to perform a favor to pay the debt. It results in his murder and the model is charged.
Major Jerry Reynolds, who supervises missile development, is looking to leave the Air Force. Due to launch failures, the Air Force sends an investigator, who happens to have a grudge against Reynolds. When he is murdered, Jerry is charged.
Carter Gilman hires Perry to investigate a female private detective he believes is blackmailing his wife. When Perry calls Paul to look into it, Paul tells him the woman was found murdered. Gilman is charged as she was killed in his shop.
A grandfather tries to warn his grandson, David, to stay away from a woman who was the secretary to the boy's dead uncle. David persists in helping her pay off her husband, who is blackmailing her. When he is found dead, David is charged.
Jeff Bronson's aircraft company is betting on the success of a new plane but after it crashes in a test flight, attention becomes focused on the test pilot's actions who is seeing Jeff's ex-wife. When he is murdered, Jeff is charged.