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

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

Mona Harvey is the principal stockholder in a publishing company run by her uncle, Everett, and the wife of an eccentric sculptor named Hannibal Harvey who is being blackmailed. Unable to get at any money due to Mona's absence, Hannibal has ditzy model Bonnie Dunbar write a blackmail note to Mona's uncle. Everett gets the money out of petty cash and sends it to Bonnie. In the meantime, Mona returns, finds Bonnie's blackmail note, and decides to pay the model a visit. So does Hannibal. Without seeing each other, husband and wife both discover Bonnie's dead body. Mona gets arrested for the murder but she fears that Hannibal might be the real killer.

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

A recently widowed women becomes tangled in a web of suspicion when she hastily remarries.

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

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

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

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

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.

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

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

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.

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

Uninterested in her recently inherited fortune, an aspring singer is easy prey for a sinister agent.

Attorney Ken Kramer comes to the aid of an alleged thief accused of stealing a $50,000 necklace.

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.

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

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

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

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

Italian Paulo Porro is traveling the US and getting around by visiting Italian families. Young, charismatic and apparently naive, he visits the Bacio family in LA, stating is a friend of the family from Italy. His visit seems divide the family, eventually stirring a family feud. The elder Bacio is found dead one night in the families workshop and our young Paulo seems the likely suspect.

Reggie Lansfield is an aspiring actress Paul meets. She is game for stunts that will get her recognized so she is game to fill in for a famous woman swimmer who is too ill to swim. The stunt blows up with the woman killed and her charged.

A frustrated Helen Kendall is living with her Aunt Matilda. She receives a call one night from a man claiming to be Matilda's husband, who has been missing for 10 years. Perry goes with her to meet him but they find another man - dead.

Danny Talbert, a LA cop, resigns when a mobster he is investigating contacts his family after Danny's dad dies. Danny's brother, Carl, works in his club and has been in trouble before. Danny is seen by Perry leaving the dead man's cabin.

Peter Warren owns a novelty company and is divorcing his wife, who has developed a gambling habit. She becomes involved in a scheme to pass chips at Nevada casinos with evidence Peter made them. When she is murdered, Peter is charged.

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.

Perry helps Josephine Kempton after Della buys the diary of a girl who committed suicide. Her ex-boss has been telling people she is a thief so she sued. Perry has to rescue her from a gorilla trapping her with her dead boss.

Ward Toyama is approached by a man claiming to be a government agent asking Ward to use his father's export business to help in a secret project. Ward comes to find the man is a first mate on a ship. When he is murdered, Ward is charged.

Dorrie Ambler breaks into Perry's office so he can verify who she is. She won't give details but says she is mixed up in some scheme. Della spots a gun in her purse. When the man who hired her is killed, she is charged. But, who is she?