A convict who's dying in prison gives Hammer the location of loot from one of his robberies.
Hammer tries to protect an old man from swindlers but death gets in his way.
Hammer must have pulled a legendary drunk. He passed out in a damsel's apartment and woke up in Las Vegas.
Hammer is hired by a college student's mother to investigate the involvement of her baby with a hot chick and the murder of a mobster.
Hammer receives a phone call and then finds his caller dead in a Chinatown alley. Is it tied into a previous killing?
Hammer seeks vengeance against the head of a protection racket who was responsibile for his friend's murder.
Hammer smells a rat when he's severely rebuked for supposedly making false accusations.
Something strange is going on. A man has just been reported killed in a car wreck but Hammer is confronted by a hood who says he killed the man six months ago.
Hammer is hired to find the killer of a nosy newspaper reporter.
A nightclub singer asks Hammer's help in getting back her contract which is partially owned by a mobster.
Hammer heads for a cemetary where he's been instructed to exchange a pile of money for a stack of letters.
Hammer gets involved with high society, narcotics, and murder when he's asked to help a young debutante.
Hammer travels to the Keystone State where a crooked district attorney is trying to railroad an innocent man on murder charge.
Hammer finds himself involved with a female racketeer.
This time, Hammer gets involved in a talent contest racket when he meets a damsel who just lost a contest.
All Hammer wants for a change is some peace and quiet but it proves to be short-lived when someone is shot and killed with his gun.
An old galpal of Mike's is killed and he wonders why her body was claimed from the morgue by a society matron.
A nurse who was a friend of Hammer is the latest victim of a neighborhood serial killer.
Hammer comes to the aid of a disc jockey being force to play music made by singers for a record syndicate.
Hammer travels to the World's Fair in Brussels to track down a killer wanted for murder in New York City.
A psychiatrist hires Hammer to discover why one of his patient's is being blackmailed.
A dying convict confesses to Hammer that he committed a murder for which another man went to the electric chair.
When Hammer crashes a penthouse party he discovers that not all things are roses between members of high society.
Hammer uncovers some unexpected information when he investigates a daring daylight robbery.
A wealthy couple hires Hammer to dissuade their son from marrying a common damsel who later turns up dead.
Hammer investigates the murders of two red-headed chorus gals.
Hammer gets hired to find a man's missing galpal.
Hammer is on the case when a young art student disappears.
Hammer's latest case involves a smokin' hot fashion model and a jealous hubby.
While investigating the case of a missing husband, Hammer uncovers a murder plot involving a veiled woman and an unbalanced caretaker.
A photographer hires Hammer to investigate after finding her studio completely destroyed.
The ingredients in Hammer's latest case: a missing woman, a hermit, and a man in love.
Hammer and a young woman search through the bowels of the Bowery for her missing husband. Their only clue is a fragment of a melody.
Hammer is hired to go undercover at a carnival in order to investigate an accident involving a female tightrope walker.
Hammer is on the case when a smokin' hot drama student goes missing.
A mysterious letter leads Hammer into a murder trap.
This time Hammer must investigate murder and blackmail at an exclusive girl's school.
Mike travels to Chicago following the death of a friend where he becomes involved in a con game.
Hammer travels to a swank resort where he becomes involved in yet another murder case.
Hammer investigates some shady goings on at a supposed charm school.
Hammer tries to solve a murder involving members of a burlesque show.
A murder witness refuses to talk to the police so his sister hires Hammer for help.
When an experienced window washer falls twenty floors to his death, his daughter thinks it was murder and hires Hammer to investigate things.
A bumbling female thief leads Hammer to a gambling den.
Once again, Hammer runs into a hornet's nest worth of trouble at a carnival.
A cowboy and his society galpal give Hammer all the trouble he can handle.
Hammer is hired to find out why one lone juror held out for not guilty in the trial of a racketeer.
Hammer investigates the murder of a parking lot attendant and gets involved with ruthless garage operators.
Hammer investigates a robbery that was committed in a room equipped with every burglar proof device possible and find that the trail leads to an ancient Chinese society still operating in modern days.
Hammer traces a killer to a wax museum on Coney Island.
Hammer finds himself framed for the murder of a blackmailer.
Hammer travels to San Salvador and finds himself knee deep in political intrigue.
Hammer travels to Honolulu searching for a missing cache of gold.
Hammer's next target is a woman who blackmails prominent men.
Hammer's blind pal suspects that wifey is having an affair with a man she claims is her brother.
In his latest case Hammer must deal with a wealthy businessman, a fraternity initiation, and attempted murder.
A widow sailing aboard a French luxury liner keeps insisting to Hammer that hubby's ghost is haunting the ship.
Hammer gets on the trail of a crook who's trying to swindle a businesswoman.
Hammer thinks that one of two jukebox vending rivals is the killer of a woman.
A woman is found murdered and the motive is apparently theft of the diamonds she was carrying.
Hammer meets a vagrant who says he was the victim of a swindle.
A gypsy fortune teller comes to Hammer for advice.
Hammer encounters bunco and murder at a New York theatre group.
A couple asks Hammer to find the killer of a family member.
A blackmailing showgirl is found murdered and one of Hammer's friends is the number one suspect.
When Mike receives a death threat from an ex-convict whom he helped send to prison he thinks it's a joke and plans a meeting with the man.
Searching for a missing young girl, Hammer tangles with a gang of muggers who stalk their victims in Central Park.