When a stripper called Lita is strangled, Homicide detectives search for the last person known to have seen her alive - a mysterious Mr. Smith. Another stripper, Trudy Wheeler, helps police with their investigation.
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An elderly man is murdered in his wheelchair and his wife, fearful for her own safety , asks their former nurse, Maggie Keating, for advice. Maggie, in turn, contacts her boyfriend, Det. Sgt. Mackay, for assistance.
The manager of a drive-in theatre disturbs a car thief at his home, and the thief retaliates by knocking him down with his own car, causing critical injuries. Investigations reveal there is more to the motive of the crime than was first apparent.
Expert safe breaker Earl Tyrell is shot dead by a fellow gangster after organizing an ambitious robbery.
A girl is strangled after announcing her engagement to roadhouse proprietor Chris Anderson. Homicide detectives question three suspects, all with a motive for murder.
Lew Hoskin is shot at and wounded while hunting kangaroos. Although Homicide detectives suspect attempted murder, Hoskin insists it was accidental.
A daring jewel robbery by three masked men leads to murder when witness Joe Martini attempts to stop them from escaping.
The body of ex-sideshow man James Munro is discovered in a creek, and police question a group of carnival folk camped on Munro's property.
When the body of go-go dancer Darlene Sadler is found at Beaumaris Beach, detectives discover that she had answered an advertisement to perform at a Melbourne club.
A seven year old boy is found strangled in a park, and detectives suspect teenager Phillip Wright, known to be the last person to see him alive.
A hunt for two escapees from French Island Penal Settlement leads police to murder, blackmail and a savage attack on Det. Barnes.
Two young people, lost in the bush, find a skeleton in a cave. Insp. Connolly interrupts his holiday to investigate the case, thinking that it could be connected with an unsolved bank robbery and murder.
A garden party at Vincent Rowe's home ends suddenly when Rowe is shot at and wounded during an argument. Homicide detectives get a lead from singer Pamela Grey - a guest who witnessed the shooting.
Vic Webster, formerly on the staff of business agent Ambrose Cook, is found shot dead in Cook's office. To avoid being implicated, Cook decides to hide the body in the bush.
Jenny Radford is kidnapped on her way to school, and her parents are told by phone that they will not see her alive again unless they hand over $250,000 in cash. Detectives search for a green car, their only clue.
The body of model Helen Parkes is found on a beach. A shattered champagne glass gives detectives an important clue, and leads to three suspects. Model Jan Barlow, who was making a car commercial on the beach, later becomes involved in the murder.
Radio store manager Ralph Nixon is shot dead while listening to the final movement of a concerto. Police suspect young soldier Andy Beckett, who accused Nixon of having an affair with his girlfriend, and who has since gone AWOL.
The body of a man dressed in a dinner jacket, black tie and a grotesque party mask is found in the pantry of an old home up for sale.
A secretary finds she is pregnant to her former boss, Alan Booth. With her current boyfriend, she blackmails Booth, who is married, for $10,000. Then Booth is stabbed with a paper knife during an argument with his stepson, who says it was an accident. Later Booth is found stabbed to death in a car park, and four people are under suspicion: the secretary and her boyfriend, her father, and Booth's stepson.
A well known Greek identity is critically injured when his car is blown up. Police inquiries lead them to cafe proprietor Con Lucas, who later receives a bomb threat. Police seek Johnny Patric, girlfriend of Con's daughter Helena Lucas, in connection with the attempted murder.
Ken Morgan goes on a killing rampage after a youth has attacked his son, and comes face to face with Sen. Det. Hudson. After being forced to shoot Morgan, Sen. Det. Hudson decides he has had enough and leaves the Homicide squad.
A small girl riding a bicycle is killed by a hit-and-run car driver. For this case the Homicide team has the assistance of Det. Costello from Forensic.
When Alf Stone, a cat burglar, falls to his death from a rooftop as he is being chased by Constable Midway, a witness tells Homicide detectives that Midway deliberately let him fall.
A clairvoyant tells Lilian Galvin that her missing husband has been murdered. Two guests at the séance ask the police to investigate Galvin's disappearance.
After robbing diamond merchant Charles Pollen, two armed men are pursued by security guards, one of whom is shot and wounded. The Homicide team work on this case with Sgt. Bannister of the local CIB, who is an old adversary of Sgt. Mackay.
Teenage cyclist Teresa Nelson is found strangled on a lonely bush track, and detectives question a youth, Tony Warren, who had been seen cycling with her just before her death.
A former standover man is shot dead at the docks. Several witnesses refuse to come forward, and Homicide detectives get nowhere until an informer passes on the name of the chief witness, whose brother is a policeman.
It looks like murder, but there is no body - only blood stains on the front seat of an abandoned car near Ballarat. The Homicide team take it from there, and they uncover a web of deceit.
Vivian Nugent is found strangled in the home she shared with a man known only as Turner. His violent temper makes him an obvious suspect.
A racehorse is doped and the main suspect is a man with a scar, Dodger Mullins. When someone takes a shot at Mullins, the Homicide team have a case of attempted murder on their hands.