Detective Halloran's first day as a detective brings him face-to-face with a cop killer and his accomplice who're holding hostages at the New York Coliseum..

The detectives visit the aging captain of the Staten Island Ferry at the same time that armed robbers are executing a daring heist of an armored car traveling on the ferry.

Det. Halloran easily kills a fleeing robber who's about to shoot him, but Halloran's lingering feelings of guilt make getting through the aftermath with the man's family anguish. Halloran's wife and Lieutenant support him throughout his search for meaning.

Gio, who lives by fishing coins out of sidewalk grates, longs to adopt an orphaned boy who he spins yarns for, as if Gio actually was a courageous deep-sea fisherman. By working 16 hours a day, old Gio saves money to adopt the boy, but in doing so violates the territorial rights of a local gang, who try to kill Gio.

Detective Halloran goes undercover as a patient in a hospital mental ward in an attempt to identify the murderer of patient who was a witness in a gang killing.

A young detective works to redeem himself after lying about the circumstances of his partner's shooting death during a stakeout.

A young gang member is assigned to perform a revenge shooting after a member of his own gang is killed.

A thief assaults milkmen and steals their uniforms in order to gain access to and rob from wealthy people's apartment buildings.

A tiny island in Long Island Sound, ""Execution Rock,"" becomes a refuge for a frightened girl hiding from criminals.

New York City detectives frantically hunt a killer who strangles married disabled women with a coat hanger, in their own homes.

A wealthy industrialist refuses to give in to an extortionist's demands even after the extortionist brutally assaults a neighbor girl and threatens the life of the man's alienated son.

A naïve young woman, Carol Thomas, fresh to New York, gets a mysterious phone call on her new line from a woman who sounds to be in the process of being murdered. Carol is unable to get prompt action from the police, so she ill-advisedly decides to play detective herself.

The precinct investigates a brazen Christmas Eve robbery and shooting by the notorious Marco Butcher and his brother.

The detectives fight against time to unravel a plan to murder a Commander aboard his yacht.

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.

Detective Halloran helps hunt down a man whom he knows, and who has always been a well-liked solid citizen before suddenly snapping and going on a killing spree throughout the city.

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.

Halloran goes undercover as the home room teacher for a "modified-curriculum" high school class after their previous home room teacher fell out of the window to his death.

The detectives work to stymie a bomb threat during a ticker-tape parade for an Olympic champion.

The detectives hunt down bootleggers on Fire Island after they shoot a revenue agent.

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.