Someone posing as Dan has set himself up as a one man judge and jury to kill criminals released on technicalities. 

Dan is reluctant to work with a psychic to locate a couple's daughter, kidnapped for a ransom of $2 million in diamonds.

Dan's detective idol asks for help in solving the murder of a woman he followed from Paris to Las Vegas. 

Dan comes to the aid of Wayne Newton when the famed entertainer is threatened by a psychotic who claims that he's the real Wayne Newton and that Wayne is an impostor.

Dan helps prevent the murder of a defector who piloted a secret plane to the U.S.

Ten persons are gunned down in a restaurant, and Dan is hired by a victim's widow to find the killers. 

A porno movie producer tries to take Lt. Nelson off the streets by framing him for murder.

Dan's investigation of a mobster abruptly ends when Tanna is temporarily blinded after being shot in the head by thugs.

Two men from Binzer's past return and demand that he pay them $50,000, sending Binzer on a panicked search for someone to lend him the money.

A rape victim hires Dan to find her attacker, and he is led to a man she dated, who may be a serial rapist.

Dan assembles a gang to pull off a fake robbery to test Roth's security system, but the gang decides to make it a real robbery.

A mother hires Dan to find out why her grown daughter goes out at night dressed like a teenager.

While flying in a small airplane over the city, Bea claims to have witnessed a murder, yet no body or evidence of a crime can be found.

Dan helps an old friend in trouble, a prospector who found a fortune in money in the desert and now has thugs chasing him for it.

A drug dealer plans to hook Dan on narcotics.

Dan cuts his ski vacation short upon meeting a young girl who claims to be his daughter, and he must help her find her mother, a distraught old flame of Dan's who's out to kill herself.

A nun claims to hold the deed to the land on which the Desert Inn stands.

A bag lady turns to Dan for help when she can't convince anyone that her friend didn't die accidentally, but was murdered.

Dan is horrified to discover that his new girlfriend has a double life as one of the Strip's highest paid hookers and that her life is in danger.

Dan's private eye license, and possibly his freedom, are in jeopardy unless he can prove that he shot and killed a young man in self defense.

After Beatrice is shot while in her apartment, Dan links the attack to a killer who has already slain three other people.

Conclusion. Dan stages Roth's murder with a lookalike, then sets out to hunt down the leader of the conspiracy.

Dan is kidnapped while jogging and taken to Hawaii, where a crime syndicate orders him to murder Roth. Part one of two.