M Squad - Season 2 (1958)

Ballinger goes undercover as an immigrant worker to help break an extortion ring targeting foreigners.

Danny Mitchell is trying to find an engagement ring for his girl when he mistaken for a thief by the store owner. A fight convinces him he has killed the old man-- as such Danny's on the run! Ballinger is called in to find the kid before he gets into real trouble.

Val Mooney, hiding out from the cops, sees the perfect opportunity to evade them. When his wife's brother is killed in a massive warehouse fire, he forces her to identify the body as-- VAL MOONEY.

A pair of high-speed motorcycle thugs are robbing gas stations across Chicago. When one attendant gets shot, Ballinger goes undercover as a biker to crack the case.

A famous defense attorney is gunned down in his house. Now Ballinger must piece together the clues to find the killer.

Larry Princeton is the master of bank heists-- he plans then sits back while his thugs pull off the job. Except for the last one-- which resulted in a bank teller's murder! Now Ballinger's after him.

Unsuspecting women allow bookmakers to use their telephones in return for payment of $50 per week, but they later learn that their lives will be in danger if they try to get out of the agreement.

A motorist narrowly escapes being gunned down by a bogus motorcycle cop. A pro hit-man and a beautiful redhead create another tough case for M Squad.

Widows have something in common. All their husbands were murdered, and all had life insurance policies with double indemnity. And the widows have the same crooked lawyer. Lt. Frank Ballinger suspects a murder for hire scheme.

Narcotics are being smuggled into Chicago. M Squad must take down this dangerous smuggling ring quickly.

The wife of a brain surgeon is abducted and threatened with death if the surgeon goes ahead with an emergency operation to save a critically injured police witness that can implicate a loan shark in two murders.

Young hoodlums use a trade school for criminal purposes.

An armed robbery at a metals factory goes awry when an alarm is triggered. Police intercept the fleeing car at a junk yard where a gunfight ensues. Two of the culprits are shot, one fatally the other seriously wounded. A third, the driver, who nobody knows even exists, escapes uninjured. On his deathbed, the injured crook states that a cop stole one of the two bags of cash. As M Squad investigates, they learn that a popular songstress is, in some way, connected to the felons.

An innocent man will be executed in 48 hours unless Lieutenant Ballinger can convince a socially prominent woman to recant the false testimony that she gave as a result of a ruthless blackmailer's threats.

The only suspect in the murder of a cop is standing on a ledge of a building, high above a busy street. He says that he will jump unless proven innocent.

An actress is brutally threatened to have acid thrown in her face unless she leaves Chicago. Her fiancee, a theater owner, is prepared to do whatever is necessary to protect her.

Frank must solve several connected homicides wherein convicted muggers are being strangled to death.

A man is gunned down in the lobby of a high-class dining room. Mary, a working-class girl, is witness to the shooting and is placed under police protection while Lt. Ballinger investigates.

Racketeers try to steal profits from a new entertainment establishment run by an old friend of Ballinger.

A man voluntarily surrenders to police, confessing to the burglary of a hardware store that occurred at about the same time as the robbery and murder of a wealthy recluse.

A failed attempt to kill Lt. Ballinger sends M Squad headlong into a possible case of revenge.

A man is shot and killed during a mugging. It appears that a woman might be the perpetrator.

Lieutenant Ballinger and the FBI have few leads and little time to find a kidnapped socialite with a predilection for visiting jazz clubs. Bound, unattended, and hidden in a condemned building during a cruel Chicago winter, the young woman is in grave danger of dying from injury or exposure before she can be rescued.

A man and woman are the victims of a bandit on a secluded road in a Chicago park. An altercation ensues, the man is shot, and the woman vanishes into the night.

An imprisoned racketeer plans his escape. His wife has guns and ammo smuggled to him. The escape scheme then proceeds but does not go exactly the way he planned.

Detective Ballinger helps investigate a series of arson crimes that are being used to cover up insurance scams.

Lieutenant Ballinger investigates a possible link between a series of Dark Street purse snatchings and the disappearance of a successful but unhappily married architect.

Bank robbers send young Jimmy to deliver a parcel. Spooked, he drops the package and runs. Lt. Ballinger finds stolen bonds in the box and follows Jimmy's trail in hopes of capturing the hardened criminals.

A former convict and his daughter are being harassed by an old inmate.

A swimsuit model is found dead in Lake Michigan, but physical evidence indicates the she may not have drowned while swimming. Lieutenant Ballinger becomes convinced that she was murdered after he learns that she was a strong swimmer and an iniquitous individual with a large number of unexplained bank deposits.

When her diabetes medication is tampered with, a well-to-do woman is nearly successfully murdered. M Squad determines that both her brother and her estranged husband are key beneficiaries of her will, making them prime suspects.

Lonnie and Wilma share an unhappy marriage. He wants a divorce which she consistently refuses. Finally, he resorts to his only other option and poisons her. With her now out of the way, he is free to pursue other interests.

The M squad is called in after a brutal robbery at the Leslie Fur Salon leaves a man clinging to death. As the investigation progresses, the situation faced by M Squad becomes more and more complex.

The M Squad become involved when a bank manager laundering illegal money is killed. The situation becomes tangled when a young lady accompanying the bank manager comes forward.

A seemingly random dockside shooting leads M Squad on a strange investigation involving fur skins and ancient Inca artifacts.

A D.J threatens to reveal the influence of racketeers in the music industry. Before he can go to air with the information he is gunned down. M squad are brought in to solve the mystery of the death as well as the validity of the information he was going to reveal.

LT. Frank Ballinger takes a personal interest in a case when the wife of convicted murderer Paul Danzig approaches him for help. Danzig has only 20 hours to live and his wife talks openly of stopping the clock. Ballinger has to figure out what she means, and ensure the right man pays for the crime of murder.