When a Mafia informant is assassinated, Dan Farrell, senior editor of Crime Magazine, looks for the only other witness to a major mob crime. She allegedly committed suicide eight years earlier.

Dan Farrell patiently prepares to exact his revenge upon the robbers that murdered his wife.

A woman sitting on death row hopes that Dan Farrell can find enough evidence to prove that she did not murder her husband.

When drugs start appearing in the hands of schoolchildren, Dan Farrell and Peggy pose as a truck driver and car-hop as they investigate a narcotics ring.

Farrell (RS) takes a hand in the investigation of a murder at a ""Swinging Singles"" apartment. The victim is the mistress of one of Farrell's editors. The wife of the victim who despite her despair over her husband's pecadilloes urges Farrell to find the guilty party.

Dan Farrell (RS) convinces a moll to help him prove that the mafia is controlling a tiny island.

Currier (Brandon de Wilde) is a young, small-town perennial loser. He kidnaps the daughter of the local sheriff and goes on a murder spree. Dan Farrell (RS) tries to unearth the circumstances that turned the hapless Currier into a murderer.

Dan Farrell (RS) investigates as a man and a priest try to clean up the slums and end up having a showdown with a powerful Mafioso.

Dan Farrell (RS ) is called in to investigate a prison break. One of the escapees is an elderly former building contractor, who didn't want to join his fellow cons in their breakout. Farrell suspects that the contractor is being sprung in order to help break into one of the buildings that he designed.

Blues singer Jesse Boone's business manager has just died under mysterious circumstances. He also swindled Jesse out of $200,000. Thing of it is, Jesse couldn't care less--and Crime magazine editor Dan Farrell (RS) wants to know the reasons for her apathy.

Farrell (RS) is investigating charges that the officials of a prison on the Mexican border are shipping out forced labor to local farms. It has been further charged that the officials are getting rich on kickbacks. Assuming a false identity and taking a job in the border town becomes very hazardous.

The object of Farrell's (RS) latest investigation is a professional fundraiser. The editor recognizes him as a notorious con man, so it should be no problem to expose his racket. But problems there are, especially when an unknown gangster type pressures him to lay off.

Farrell (RS) heads to Florida to probe into a cattle scam. Someone has been selling tainted meat, the end product of a rustled shipment of government livestock. Could the Mob be involved?

Dan Farrell (RS) sets about to investigate corruption on the waterfront. Farrell finds himself in the middle of a power struggle between two brothers battling for control of the longshoreman's union.

A Boxer is suspended when he punches out an obstreperous reporter. Feeling partly responsible, Dan Farrell (RS) tries to help the young fighter. Farrell soon learns that the boy's manager may be arranging a fixed bout.

Dan Farrell (RS) is on the trail of a possible scam. A ""Pop"" psychiatrist who is strong on placebos but short on ethics, treats his wealthy patients at a lavish remote retreat called The Garden. Farrell is convinced that he is a phony, and tries to prove it

Farrell (RS) investigates deaths caused by an illegal dilution of medical supplies in a small African nation.

The crime in question occurred some 25 years ago. Now the kidnapper has been mysteriously murdered, compelling Dan Farrell (RS) to investigate. Curiously, the partner of the abduction victim's millionaire father tries to bribe Farrell to drop the case.

Dan Farrell (RS) reports his findings at a Congressional committee hearing on addictive drugs. Later he finds himself entangled with a self-destructive, drug-addicted young girl.

An ex-convict Eddie Gannon, who holds the lease on a converted church used as a halfway house for recently released prisoners,is endangered by a rash of unsolved crimes in the neighborhood. Gannon asks Crime magazine editor Dan Farrell (RS) to prove that none of his fellow ex-cons are responsible for the thefts.

Farrell (RS) investigates the death of an old friend and discovers an international weapons-smuggling operation.

Dan Farrell (RS) looks into the strange bombing of an odd-ball artist.

A fire-and-brimstone tele-evangelist is plagued by gremlins from within his organization who are tapping his till. Dan Farrell (RS), investigates only to deduce that he may be the one siphoning from his own flock's donations.

Dan Farrell (RS) runs into many dead ends as he endeavors to discover why an important scientist suddenly died.

Dan Farrell (RS) looks into a conflict involving loggers and the filming of a documentary.

Dan Farrell (RS) investigates a consumer advocate who is currently masterminding an expose of the fish-canning industry. When several attempts are made on his life, the advertisers are under suspect.