After escaping prison by informing on his wife’s brother, who’s sent up for the robbery they committed, Paul Delito’s wife leaves him, vowing to teach their son to curse his father for snitching. The only thing sustaining Delito is the hope of winning forgiveness, and when his brother-in-law is later released and in hiding after committing murder, he seeks out the man to plead for his pardon.

A young man, whose soul has been sickened by his grandmother’s tales of chivalry, uses an old dueling pistol to shoot a man who has been fighting with his girlfriend in Central Park. While detectives search for the unknown sniper, he wounds another man and attacks his sister’s boyfriend.

A gang leader arranged for an elderly man to be smuggled into the country in a coffin, and he’s carrying a candy jar full of heroin. The hearse collides with another car and the old man wanders off into a strange new world, unaware that the gang is out to kill him before he talks to police.

After six months in a sanitarium, a garment tycoon returns to his firm and decides to destroy the lives of his associates. After announcing that he’s closing the place, he’s found shot to death, and police can’t find a clue to determine whether it was murder or suicide.

A small boy’s governess tells Parker of severe marital discord in the home where she works, and that during the couple’s last fight, she heard gunshots. Laying suspicion on the wife, the governess then runs into the husband’s arms, and he persuades her to help him kill his wife so they can be together.

A continual loser, whose wife has given up on him, begs for another chance. She plans the kidnapping of a small girl, demanding ransom from a wealthy stranger who tips police off to the crime.

A man sentenced to die for murdering a shopkeeper undergoes surgery for removal of a brain tumor. Upon recovery, he recalls nothing of his crime, and a retrial is ordered to determine his responsibility for the murder.

A young man who has frequent sadistic outbursts overhears his mother and her fiance discuss plans to take him to Bellevue for observation. In a rage he attacks the man, then disappears into the street, where he tags along with a young woman who angers him by befriending an elderly lady.

A wealthy man hires two men to filch a valuable statue from a museum, and they enlist the aid of three underworld men. After they steal it, the man dies before paying them, and they try to ransom it back to the museum.

A middle-aged man who’s fed up with his young wife’s infidelity pushes her lover out a window in a rage. Later when two women see him with a knife, unaware that he grabbed it when breaking up a street fight, they warn his wife that he’s going to kill her, and they call the police.

A forty-year-old nobody who wants to make himself known to the world causes a riot in the supermarket where he works by lowering prices to almost nothing. Threatening letters from cranks in the police file give Parker a lead toward identifying the man, who by now is at a fight arena threatening to detonate a huge explosive after a fight with his wife.

An old contract allows a retired postman to sail his sloop through an inlet near his home, and he decides to exercise that right -- but the old railroad bridge barring his way must come down, and the railroad company refuses to accommodate him, initiating a warrant for his arrest.

A former war hero, now a skid-row bum, is desperate to give his daughter a wedding gift, and robs a jewelry store. Flint tries to help him, but the man goes mad and embarks on a mass shooting spree in a hotel lobby.

Awakening to find his wife murdered, an artist runs to the psychiatrist who, two years ago, begged him to commit himself, fearing he’d someday kill her. Though the painter claims his innocence, the doctor tells the police, who then learn that a drunk may be responsible.

A lady doctor who helped raise a pharmacist’s son in a poor Manhattan neighborhood helps the boy and his wounded friend after they’ve robbed a store, and asks Parker to allow them time to turn themselves in.

Both the boyfriend and the foster father of a Chinese girl confess to murdering her, and police find they were both in love with her and involved in an arbitration with their community as to who could marry her.

Afraid of losing his son, who’s failing in school, a gangster introduces the boy’s teacher to a beautiful woman, and after he falls in love with her, threatens to take her away from him if he doesn’t pass his son.

When two young hillbillies stop their jalopy for a traffic light, Arcaro calls their attention to a loose license plate, and one of them pulls a gun and shoots him. They then embark on a robbing and killing spree.

Trying to keep his wife’s affair a secret from his neighbors, a well-liked trucking company owner protects her lover’s identity after the man injures a young girl while trying to run him down.

After stealing from his job to pay his mother’s medical bills, a man is convinced by the woman who loves him to spend all the remaining money on himself before turning himself in the next day.

A patrolman, crushed by his inability to curtail his wife’s spending habits, is in an ugly mood at the station, and is feared to have lost control when he’s absent from his beat and his son hasn’t returned home from school. Orders are given to take away his gun.

A professional killer, being hunted by both police and mobsters, forces a compulsive gambler to help him raise enough money to flee the country. The gambler’s girlfriend alerts police to what’s going on.

A man who grew up in an orphanage meets a twelve-year-old girl, whose wealthy parents have no time for her, each day in the park to share their lost dreams. A woman whom he’s spurned tells detectives that he’s been molesting the girl.

A Burmese sailor, brother of four boys who drowned when a man refused to steer his freighter off course to save them, comes to New York to kill the captain, but mistakenly kills his wife in a dark hallway.

After serving a five-year term for killing a man to save his old Army buddy’s life, an Indian comes to New York to fulfill a pact they made to buy some land and live on a ranch, but finds his friend is a mob hitman.

The agent of a successful, married actor goes to an ambitious actress to beg her to stop seeing his client, and gets so infuriated that his heart gives out and he falls to his death down a flight of stairs.

To avenge an old betrayal, three elderly Rumanians stage a mock robbery as rehearsal for a bank theft, but police are alerted to their activities when the real theft is about to take place.

A sculptor alerts police when he’s threatened by a foreign patriot for refusing to destroy his unfinished statue of a hero who’s now a vicious tyrant.

Police are puzzled by the apparent relationship between three elusive men -- an exemplary employee of a brokerage firm, a Bohemian poet, and the head of a local mission.