The body of a dead girl found floating in the river puts the detectives onto the trail of Curt Donaldson, a sadistic con man who preys on lonely women.
Virginia Colt barges into the detective squad room at the 87th Precint. She is carrying a gun and a liquid substance which she claims is nitroglycerine. Ms. Colt then announces she is there to kill Detective Carella. It seems as though her husband just died in prison and Carella was the one who sent him up the river.
The detectives at the 87th Precinct receive a note that says "I will kill the lady at 8:00 tonight." Slim clues indeed but the entire squad must race to prevent the threat from coming to fruition.
A disgruntled detective who quit the police force because of frustration starts committing robberies using the modus operandi of known thieves. He has the 87th Precinct detectives completely baffled ---for a while.
Detective Kling is forced to shoot and kill an armed robber while off-duty one night with his girlfriend. Even though the shooting is ruled justifiable, Kling begins coming unglued because of the incident.
An immigrant locksmith can identify the hoods who participated in a mob killing but his pregnant wife does not want him to testify. Both Detective Carella and his wife, Teddy, try to persuade the locksmith and his wife otherwise.
A sleazy blackmailer is murdered and there is no shortage of suspects. There's the dead man's mistress, his ex-convict friend, a rich man's wife, an old horse trainer, and a business executive. Detective Havilland leads the charge at getting to the bottom of things.
Detective Meyer arrests an old high school chum on a burglary charge but the man escapes from his custody and is later bitten by a rabid dog. Meyer rushes to find the man so that treatment can begin on his condition.
Josie Thompson and her roommate are on vacation at an upstate lake when her friend drowns as a result of a sniper's bullet blowing a hole in the friend's canoe. Since the roommate was an heiress due to inherit a substantial sum of money and Josie is poor, she decides to pose as the friend. But someone may not want her to receive the money.
The prime suspect in the murder of a pretty coed is a young man with a domineering mother. Kling poses as a salesman to get evidence in the case.
A used car salesman is found slumped over the steering wheel dead with a bullet in his abdomen. Did he commit suicide or was it murder? Carella, investigating the case, uncovers a marijuana distribution ring.
An old family friend of Detective Carella's and his bride begin receiving threatening notes right before their nuptuals. Carella and Kling decide to attend the wedding ceremony just in case the notes aren't cranks.
The 87th Precinct detectives match wits with a wily crook named Sordo who plans to break into a bank vault from underground and is giving them cryptic clues as to his intentions.
About to be executed, former crime czar Doug Quinn announces in an interview from Death Row that when he dies the ones who testified against him will die too. This isn't good news for Toots Brendan who was one of the State's main witnesses against Quinn but he inexplicably heads to Isola anyway.
Boxer Sonny Fitzgerald is getting death threats on the eve of his big fight. Is mobster Frankie Spain responsible or is the culprit someone from inside Sonny's camp? The precinct detectives try to find out.
Cleve Thompson is arrested for murder then engineers several tricky legal maneuvers to try to extricate himself from his predicament.
A uniformed patrol officer finds a severed human hand inside a travel bag deposited tossed into a garbage can. The solution to the case hinges on two missing people: a merchant seaman with a reputation as a lady's man and a stripper who was the obsession of a photographer.
Somebody residing in the boundaries of the 87th Precinct must have a grudge against the phone company due to a rash of bombings of empty phone booths. The precinct detectives investigate.
Small time hood Greg Brovane makes the perfect patsy for three men who have just committed a murder.
When a police officer Ed Miller's wife is shot and severely wounded the clues at first point to an ex-convict who threatened to get Miller when he was sent away. But things aren't always as they seem.
Two inept kidnappers, attempting to snatch the son of wealthy businessman Douglas King, grab the son of his chauffeur by mistake. King then balks at paying the ransom because much of his money is tied up in a big business deal.
Detective Meyer, who's battling health problems, goes after a pair of young armed robbers who shot and killed a shop owner.
The detectives investigate the murder of a young woman who seemingly had many differently personalities. Which personality was the target of her killer?
A veteran beat cop, due to retire in a few days, is breaking in his replacement one night when they interrupt a burglary in progress. The replacement gets shot and killed but the veteran cop gets a good look at the killer. There's only one problem--it's his estranged son.
Tired of living from paycheck to paycheck, Carella decides to take a job as director of security at an upper crust bank.
A baseball star puts his life and career on the line to shield his fugitive brother from the police.
Detective Havilland befriends a young man unaware that his father is involved in a plot to assassinate a visiting South American dignitary.
Detective Cotton Hawes faces a period adjustment when he's transferred from a relatively sedate precinct to the rough and tumble 87th.
A disgruntled detective with only a short time left until retirement is demoted and transferred into the 87th Precinct. He then proceeds to drive the rest of the squad bonkers.
Detective Havilland is attracted to a stenographer whose life is being threatened by a person or persons unknown.