The legal and moral implications of mercy killing are examined as the Prestons defend a doctor charged with killing a Mongoloid baby.

A wartime hero who had been trained to act like a "destructive animal," kills a man with a judo blow. At his trial the vital question is "did he kill because he could not control the killer instinct?"

The tortured world of a dope addict is explored in this story of a young man convinced he's guilty of murder - although he has no recollection of the crime.

Preston (E.G. Marshall) undertakes a delicate and dangerous task: acting as intermediary for the investigators of a prison riot.

A destitute young couple take a desperate gamble to provide for themselves and their baby.

The Prestons become embroiled in a bitter custody battle when they are retained by Belle Remington (Norma Crane), who insists her son never be allowed to see his father.

Impersonator Harry Simms is accused of killing his fiancée, and he asks Ken to defend him. But Ken is baffled by Harry's plea: he says he couldn't have murdered the girl - because Humphrey Bogart did it.

A woman is charged with criminal negligence when she hits a child while driving home from a party.

Unhappily married Jenny Scott (Mary Fickett) is the prime suspect when her husband is murdered.

Picketing to save a park, Joan Miller (Joan Hackett) is charged with second-degree assault when a brick thrown by one of the demonstrators injures an adversary.

Released from a mental hospital, Victor Fergusson (Edward Binns) is forced to stand trial for a murder he committed 25 years before.

Charged with perjury, a witness says he lied because Preston asked him to.

The impact of public opinion on a trial is examined in this story of a policeman who kills the alleged molester of his young daughter.

Dwight Harkavy (Kent Smith) goes on trial for shooting a prowler - who was his wife's first husband.

Preston investigates the death of a millionaire playboy - murdered before he could divide his estate among his current spouse and five ex-wives.

The Prestons come to the aid of a racketeer charged with the gangland murder of a small-time hoodlum.

The Prestons defend a doctor accused of murdering a wealthy patient who promised to leave him a large sum in her will.

An old homicide case is reopened when James Mitchell (James Congdon) confesses to a murder for which another man was executed six years earlier.

The Prestons encounter fear and hostility at a reform school when they are retained by a supervisor charged with murdering one of the inmates.

Stacy Phillips, star college basketball player, is accused of taking money from gambler Vince Fargo to fix a game. The Presons, alumni of the college, are hired to defend Phillips before the State's Senate Rackets Committee.

The Prestons defend an heiress on trial for the death of a woman reputed to have been having an affair with her husband, who is the only witness to the incident. The focus is on the jurors, and how some of them visualize the events that led to the woman's death.

The Army suspects foul play when a paratrooper's chute fails to open and he falls to his death.

Ken launches a personal investigation when a model prisoner - jailed for crimes he insists he never committed - is refused parole.

The defendant: Louis Astor (George Voskovec), who's charged with stealing money from his son's firm.

The Prestons give a campus fascist leader a lesson in democracy when he's arrested after his henchmen beat up a heckler.

The Prestons become defense counselors in a kangaroo court set up by a group of teenagers bent on trying an alleged murderer.

Arthur Hill plays a man with six months to live--he kills his business partner in a fit of rage when the man refuses to help support his family after he has died.

Edna Holley (Glenda Farrell) invites trouble when she blackmails a professor who's interested in her daughter, a strip-tease artist.

A group of Air Force veterans set up a kangaroo court to try one of their number for treason.

A controversial episode dealing with the trial of an accused abortionist.

The Prestons defend an ex-vaudevillian accused of murdering his son-in-law. The only witness: the dead man's daughter.

Defending a youth charged with vehicular homicide, the Prestons are hampered by the boy's overbearing father (Harold J. Stone) - who isn't above bribing jurors.