A rehabilitated ex-convict is suspected of killing a policeman and is jailed. Maris comes to his defence.

Harry Connors is a thug who confeses to killing the man who testified against him. Later he changes his story and his attorney quits the case. Maris comes to the rescue.

Tom Sheppard is sent to jail for the muder of his former girlfriend on the testimony of an elderly eyewitness. Tom's fiancée asks Maris for help on the case. Maris' investigation reveals surprising facts.

Ed Reed's house burns down and a female friend is killed. Reed is accused of arson and murder and is jailed. Maris believes in Reed and investigates.

A femme fatale lies in her testimony. In the process her husband is jailed for a murder he did not commit and her murderous boyfriend goes free. Maris comes in to try correct the injustice.

An ex-convict and his son get implicated in a theft and get arrested. Maris believes in the two men and gets to work on finding the truth about what happened.

In prison a gang leader is stabbed and killed. Ron Davis is charged with the murder and is sentenced for execution. After reviewing the case file Maris concludes that the wrong man was convicted for the killing.

A wealthy businessman, unhappy with a contract he's signed, tries to void the contract through devious and unscrupulous means. His actions place an innocent man in trouble with the law for assault and battery. The problem for Maris is that it's his client breaking the law.

In an attempt to find out more facts from a murder trial Maris uses psychiatry as a defence.

An ex-convict who has become emotionally unstable kidnaps Maris and his assistant because he blames Maris for his conviction.

A shop worker is charged for the murder of the supervisor. The reason: the man is an immigrant and bigotry enters the judicial system. Maris is on hand to defend.

Frank is an ex-convict who is going straight and is now the son-in-law of a policeman. Two of Frank's old friends commit a robbery and Frank is jailed. Maris tries to help but a few surprises come his way.

A college student is unable to repay loan sharks and gives them the keys to his father's automobile. The loan sharks then hit someone on the highway then run. The father is implicated in the crime. Maris tries to help the father who used to be one of his teachers and discovers the case is about more than a ""hit and run.""

A young couple is planning to elope but the plans come to a screeching halt when drugs are found in the car they rent. Maris comes in and investigates.

Jimmy Stockton is a prizefighter who's wife promised to leave him if he lost in the ring again. When his wife is killed the police arrest him for murder. Maris is a reluctant defense attorney but surprises are in store. The coroner also has interesting information vital to the case.

The chief lawyer for the state anti-crime committee is killed and a former gambler is accused of the murder. Maris defends the gambler.

A father suspects his teenage son is involved in a robbery and a shooting. The father then hires Maris to defend his son of possible charges.

A prizefighter bets against himself in an upcoming fight. Maris becomes suspicious of his actions.

A neighborhood gang steal the gun of former gang member and now Policeman Crothy and commit a crime and a murder. Crothy, the owner of the gun, is arrested for the killing. Both Lt. Weston and Maris believe in Crothy's innocence and begin the investigation.

Fred Prescott, a news commentator, is murdered and Maris investigates.

A locksmith is charged with the murder of a jewelry store owner. Maris goes undercover to try to prove the locksmith innocent but runs afoul of the law.

A jazz musician is charged with murder. Maris uses a trumpet to clear the musician.

A blackmailer is killed after warning a city official that he'll release scandalous information about his wife if he doesn't resign his position. The police arrest the city official for the killing. Maris investigates the murder.

A theatrical producer is robbed and killed. An elderly Shakespearean is arrested for the murder. Maris is there to help the aging actor.

A young controller of a firm commits suicide before the audit of the books. Was it a suicide? Maris is not so sure and investigates.

A husband is charged with the murder of his wife. Maris tries to discover what happened.

A woman is found murdered after a night of partying with a rich oil man. The oil man is arrested for the killing. Maris investigated and finds a few surprises.

A millionaire playboy is murdered and a girl is charged with the murder and sentenced to the electric chair. Maris belives the girl is innocent and investigates.

A policeman is charged for the murder of a bookie. The ones who are the likely suspects have an airtight cover story. Maris takes the case to help the policeman.

A foreigner is accused of murdering her fiancé's father. Maris is urged by a young copy boy pretenting to be a reporter to take the case and investigate.

Lt. Weston is charged for the murder of an ex-policeman while on vacation. Maris is sure that the murder was a frame-up and the culprit is a local gangster with a grudge.

Mr. Mitchel is charged for the murder of a young woman. His wife believes in her husband and hires Maris to defend him and investigate.

The testimony of a witness has dire consequences for a man charged with murder. However, the victim's last words do not implicate the man charged with the crime. Maris investigates.

A supervisor at a zoo is poisoned and the zoologist is charged with murder.

A teenager is charged with murder and Maris' secretary urges him to take the case.

A man is convicted of murdering his former employer. His wife, Betty Nelson, comes to Maris and pleads that he investigate the case and have it re-opened.

A circus performer, whose forte is throwing the knife, is charged for the murder of another circus performer in a jealous fit of rage over his wife and arrested. Maris believes the circus performer is innocent.

A man is suspected of a jewelry heist and a killing and is arrested. The man is a former client of Maris' and he investigates.