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

Reba Burgess's control of her late husband's mining company is threatened when a man turns up with a partnership agreement—signed by Burgess before he died.

Abner Gordon threatens to press charges if his niece doesn't replace the money she lifted from his safe.

Drake gets more than he bargained for when he agrees to act as courier in the sale of a rare Confederate coin.

Balancing private investigation with legal gymnastics, Mason tries to iron out a case of embezzlement and murder.

A woman turns to Mason when she becomes convinced that her boss is planning to murder his invalid wife.

Perry is paid a visit by a Dorrie Ambler who wants him to verify her identity. Shady private eye Phil Arthur has been paying her to frequent certain places around town and Dorrie thinks it's because she bears a strong resemblance to madcap heiress Minerva Minden. After some digging, Perry finds out that Minerva might have been involved in a hit-and-run accident and it appears as though Dorrie is being used to prove that.

A model fails to read the fine print when she signs a curious contract paying her $200 a week to gain weight for an assignment.

Former swimming champion Victoria Dawn is now overweight, out of shape, and the owner of a chain of failing health spas. Desperate to regain some of her former glory she hires young actress Regina "Reggie" Lambert to impersonate her in a swim across the Catalina Channel to Los Angeles.

Franklin Shore, supposedly dead for 10 years, telephones his niece, Helen, and gives her instructions on how to meet him. Then someone takes a shot at Helen's boyfriend and attempts to poison the "deceased's" wife, Matilda.

Pete Warren's estranged wife, Myrna, is killing time in Reno waiting for their divorce to go through. When Myrna gets involved in a counterfeit gambling chip scam, Pete makes the mistake of lying to protect her.

An unsuccessful salesman has a lot of explaining to do when he throws down his sample case in disgust—and large sums of money fall out.

Mason is summoned when Harvey Scott's efforts to retain temporary control of the family mining company lead to murder.

An investment broker tops off a series of peculiar actions by commandeering a taxi to rob a bank.

Investigating the "other woman" in a betrothed man's life, Mason finds himself neck-deep in a murder mystery.

Attorney Joe Kelly agrees to represent Bill Jarvis, whose mother-in-law is trying to have his bowling alley shut down.

A woman hires Mason to nullify a clause in her late husband's will that disinherits her if she reopens the investigation of her son's death.

Police detective Danny Talbert's father dies from a heart attack caused by stress from the fact that he was into mobster Steve Radom for a $10,000 debt. Or so Danny believes. When Radom is killed with Danny's gun, Perry steps in to clear his name.

Mason is caught in the middle when a romance develops between two members of rival political families.

In Hawaii to handle an investigation for a hotel chain, Mason and Drake uncover a murder.

Lawyer Ward Toyama, a friend of Perry's, gets caught up in an illegal gunrunning operation and murder on the high seas after being contacted by a man claiming to be an intelligence agent. It's up to Perry to clear his friend's name when he's accused of murder.

A man's campaign to prove his estranged wife an unfit mother is interrupted when he's arrested for murder.

Burger tries to head off trouble when his young assistant falls for an unscrupulous woman.

Della buys the diary of a drowned woman at an auction and after reading the entries becomes convinced that the woman's death was not a suicide as was ruled at the time. This leads Perry into a case involving an eccentric millionaire, his two scheming assistants, and a kleptomaniac gorilla.

In an offbeat case, Mason becomes involved in international intrigue wheh he travels to Switzerland to meet a friend's future daughter-in-law.