A nasty actor with a lot of enemies is murdered. Perry gets his accused killer off the hook but then HE turns up dead and an aging, eccentric actress is blamed for that one. Are there two murderers on the loose or are both the work of one person?

Frank Thatcher is involved in a hit-and-run accident but does not report it. He uses Paul Drake to take care of the aftermath of the incident. Later, Thatcher is found dead in the same apartment with Paul, after he wakes up—and Paul’s accused of the murder.

Con artist John Brooks comes up with a new twist to convince Sophia and Ninevah Stone that he's the rightful heir to their fortune. Perry ends up reluctantly defending Brooks when he's charged with murder.

Janice Barton is found guilty of the murder of her wealthy relative and sentenced to death. Can Perry find the evidence to clear her of the crime before the pellets in the gas chamber fall?

Della asks Perry for $25,000 for her friend Janet Brent, who is being blackmailed. Edward Franklin, an employee of Janet's husband, has staged compromising photos of her in a motel. At a party, Janet confronts Franklin and hits him with a small statue of a "weary watchdog." The police arrest Della when they find her driving Janet's car from the scene of the argument. Franklin is dead, struck three times on the head with the statue. Perry defends Janet knowing that if he loses, Della will go to prison as an accessory.

Perry's fishing trip to Scotland is interrupted by seven year old Peggy Smith. Peggy is living at a boarding school and searching for her identity since she has no idea who her real parents are. After searching into the matter, Perry comes to believe that Peggy is the daughter of Clark Lawson and Margaret Jeffers Lawson. Margaret was the daughter of wealthy Courtney Jeffers who disowned her after she eloped with Clark. Both parents died shortly after Peggy was born. Jeffers, a mean and miserable old man, has his heart warmed after meeting Peggy and changes his will to leave everything to her. The next day, he is found dead, killed by a blow from a poker.

Naive secretary Janice Wainwright carries out boss Morley Thielman's orders and places a briefcase containing more than $100,000.00 in a train station locker. Then she waits for the arrival of Thielman's ex-wife but Lt. Tragg arrives instead with an arrest warrant for Janice on the charge of murdering her boss. It seems as though witness Fred Carlyle saw a woman's shapely shadow through the shades of Thielman's office window shortly before the murder occurred.Carlyle believes the silhuette belonged to Janice. Perry manages to get to the bottom of things once the courtroom proceedings begin.

Restrauteur Morey Allen, a friend of Perry and Della's, has a problem: his waitress, Dixie Dayton, was struck by a car while fleeing the restaurant after spotting a man stalking her. The only item she left behind was a moth-eaten mink. When the stalker is found murdered, Morey and Dixie both eventually get arrested for the murder. The case also ties in with the murder of a young policeman several months before.

Ben Sutton is listed as the author of a best-selling book describing his experiences in a Korean POW camp. When the real author is released from an Army hospital, Sutton is slain before he can tell the truth and his widow is arrested for the murder.

Jim Ferris is having an affair with his uncle's bored young wife. They concoct a scheme to finagle $80,000.00 from the uncle by faking a kidnapping. Things go horribly wrong when secretary Betty Wilkins, acting as a go-between, is charged with the murder of Jim Ferris.

Mason's client: an amnesia victim on trial for the murder of her husband.

The foundations of a large company are shaken when the chief engineer uncovers evidence of budget tampering.

The Safeline Insurance Company notices an increase in heart attacks among their policy holders. The company suspects fraud and hires Perry and Paul to investigate. When Paul goes undercover as a construction worker, he almost doesn't survive the assignment.

An art dealer and his girlfriend are arrested for a two murders related to a series of hijacks. Paul goes undercover to ferret out the hijacking ring and Perry finds himself staring face down the barrel of a gun pointed by a killer even he never considered.

Gossip columnist Mary K. Davis is found murdered and it seems there is no shortage of suspects.

Perry has all kinds of troubles in this one when a murder brings him into the tangled financial and personal affairs of the wealthy Balfour family.

DA Hamilton Burger asks Perry to defend an old friend who once saved his life in a boating accident ten years before. The old friend of Burger's is now facing a murder charge.

A journalist is murdered while tracking an ex-Nazi war criminal who may be posing as an executive at a company called Space Associates, Ltd.

Wealthy Walter Frazer has always blamed his daughter-in-law Sue Ellen for his son Gregson's failures. You can only imagine how he feels when Sue Ellen is accused of Gregson's murder.

Eleanor Corbin pleads amnesia after police find her running and screaming through the woods near her apartment building. Her loss of memory is of little help to her when she is later charged with murder.

Mason tries to clear his young, naive woman client, a corporate executive secretary, as a twisting and wheeling plot of murder, kidnapping, and embezzlement unfolds.

A judge is accused of murdering a government witness who planned to expose him as a crook.

A recovering alcoholic takes to the bottle after he sees his wife, who's supposedly been dead for five years. Then she turns up dead for real and he's arrested for her murder.

Claire Olger, a hitchhiker, is picked up by Michael Greeley. He loses control of the car and has an accident due to his being intoxicated. Eventually, her friend, Doris Stephanak, asks Perry Mason to help. When Perry is unable to contact Claire at her hotel, he goes there and finds Michael Greeley dead in her room.

Perry returns to his office late one night and finds an attractive woman climbing into his balcony window. She claims to be Virginia Colfax, the secretary of Ed Garvin who has an office next door to Perry's. Ms. Colfax says that she climbed into Perry's office in order to escape from Garvin's hot tempered wife but Perry later learns that Garvin is married to two women. Garvin and second wife Lorrie are sent to Mexico by Perry until he can clear up the matter but when Garvin's first wife, Ethel, is murdered there's an even bigger mess on the scene. And just who in the world is Virginia Colfax, the woman climbing in the window?