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.

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.

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

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

Dan Gray invents an explosive formula similar to dynamite. After a golfer is killed with an exploding golf ball the inventor is arrested for murder. Maris and Lt. Weston investigate. Gloria Larkley is Dan's supporting girlfriend.

A friend of Maris is arrested for the murder of a detective. Maris is motivated to clear his friend and discovers the dead detective was running afoul of the law.

A Greek immigrant, Alexis George, receives a shipment of rare coins to sell from his mother in Greece but is burglarized in the process. A friend of Alexis is supected of murder and the robbery. Maris investigates.

A death of a prospector worries the owners of a mine and send Maris to protect their interests and investigate the crime.

Lloyd Randell is killed and Debby Arnold is charged with murder. Maris defends her but has to review an incredible amount of evidence in order to make a good case.

A Korean war veteran suffering from post shock traumatic stress disorder flees after being accused of killing an acquaintance. When Maris comes to his defense he discovers the dead woman had a note addressed to him.

An assistant dress designer is charged with murdering his employer. Maris investigates and defends.

Maris heads to the West Indies for some rest and recreation but his vacation is cut short when a plantation owner is killed. Maris investigates.

A woman dies suddenly and it is ruled a suicide. The woman was a former client of Maris, and he is not so sure. Maris investigates.

After a murder trial where the defendant was found guilty, Maris get a telegram from an important witness in the case stating that the convicted man was not guilty. Maris investigates.

A newspaper columnist is murdered and Al Bingham, another newsman, is charged with murdering him. Maris investigates.

An intruder is shot by a woman, an ex-showgirl. It so happens that the intruder was her husband. Maris investigates.

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.

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.

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.

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.

A Broadway actress who no one likes is murdered. Everyone she knew had a reason to want her dead. Maris investigates.

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