When an elderly sewer worker learns that his son is the leader of a street gang, he begs him vainly to reform, and then tells police about his association. When the gang uses the sewers to escape after a jewel robbery, the old man follows them into the underground passages.

In a vicious downpour, a killer prods a terrified man forward using a huge spear-gun. The man with the spear-gun is a meek New Yorker living with his mother, who disapproves of her son's fiancée.

Matty, a down-and-out alcoholic in the Bowery, is accused of robbing and murdering a man, then using the stolen money to buy a horse-drawn cart.

Lt. Muldoon counsels the son of a patrolman who is trying to join the force, despite his mother's wishes that he not follow in his father's footsteps.

George Blake regrets having strayed from his wife, and terminates the affair just moments before the woman is murdered by another jealous man. Blake is the prime suspect, and works to clear his name and find the killer.

A young immigrant hits a big score playing the numbers racket, but runs into complications collecting his winnings.

After Lt. Muldoon is killed in a car wreck deliberately caused by a mob hit man, the detectives pull out all the stops in their search for the killer.

A recurring nightmare haunts a murderer - that he's been framed. But when his loving wife begs the 65th Precinct's skeptical detectives to re-investigate, Arnold Fleischman refuses to co-operate with the police.

Halloran goes undercover at a construction yard to see if he can find a connection between a mob-hit victim and the mobster who likely ordered the hit.

A sleazy private detective, well known to Detective Parker, is murdered while on a case to find a mysterious young lady who worked in a dance club.

The detectives investigate the source of numerous death threats that have been sent to a high-powered Madison Avenue agent having many real and perceived enemies.

Detective walks from icing surrendering shooter Gimpy, so his commander asks Adam to volunteer to spy him. Adam struggles with taking the assignment on gun-happy comrade Bane, whose jacket includes 2 other recent kills, but many medals.

The investigation of a car wreck reveals two dead men (one killed by a bullet) and a survivor - a petulant, uncooperative young girl.

Adam and an inexperienced D.A. attempt to prosecute the well-connected fiancé of a wealthy New York scion. Adam wonders just who is on trial and gets an education in Justice.