A group of students stage a mock bank hold-up to publicise a charity. When the students' leader is shot dead by a bank guard, Homicide detectives have to establish whether the guard was acting within his duty or recklessly; a complication is that jealousy in the group caused the student to be 'set up' for the shooting.

A man dies a violent death aboard a boat at dawn. Although there is an eye-witness, he claims he was too far away to identify the killer, and the Homicide detectives have some fast thinking to do as they pursue their suspects around the confusing world of the waterfront.

An old couple who run a milk bar in an inner suburb are found brutally murdered. A young man is charged, and confesses, but Det. Sgt. Bronson's doubts about his guilt still complicate the issue, and bring he and Insp. Connolly into conflict.

For three days, a cottage in the Dandenong Ranges provides a perfect honeymoon hideaway. But then the young bride is brutally slain, and Homicide detectives find themselves investigating bigamy as well as murder.

An unidentified young woman is murdered in a park, the second such occurrence, and Homicide detectives have to race against time to prevent a third killing.

Nancy Tate is kidnapped by two men, taken to a lonely spot and murdered. A search begins for a mysterious eye-witness wearing a cap and a suede jacket.

A clerk is shot when two masked men hold up a factory and steal a $10,000 payroll. Homicide detectives have no real leads, and must rely on information from an informer, Sgt. Bronson's 'Aunt Sally'.

A body is discovered in a railway box-car at the Jolimont railway yards, from where a young boy has also gone missing. Police dogs are called in to track down the killer, a young man who has killed his father with an iron bar during an argument, and fled with the only witness - the missing boy.

Edward Heywood is reported missing, and three weeks later his body is recovered from the Yarra River. Two anonymous letters - death threats - provide the Homicide detectives with an important clue. The man's wife, Katarina, had many lovers, and when she reports her sister-in-law Norma has suicided, one of her lovers, Rogowski, makes a false confession.

When an attractive young girl is murdered, it doesn't take long for the Homicide detectives to identify her killer; but they have a tense time gathering sufficient evidence to bring him to trial, aware that before they can complete their case he may well kill again.

When William Nelson blows up the car of a business acquaintance, killing him, he is quickly brought to justice, and sentenced to serve a life sentence for murder. However, Nelson is cunning and resourceful, and escapes from custody – and it is not only his freedom he wants, but a chance to even up the score against the main prosecution witness.

A convict who has broken out of jail is murdered at the rendezvous with an accomplice, and Det. Sgt. Bronson suspects that there is a connection between his death and an unsolved robbery committed five years earlier.

Retired Inspector Bob Fenton, former chief of the Homicide squad, is fatally stabbed and his body left in the driveway of the home of Insp. Connolly. Fenton appears to have been the victim of revenge, and Connolly realises that he could be the next target.

A business colleague of Douglas Hadrion, knowing he has a weak heart, succeeds after several attempts in causing his death by inducing a heart attack.

A body found floating in Port Phillip Bay is identified as that of gambler George Duff. He has been shot. Homicide detectives are surprised when their investigations reveal that Duff was married to the headmistress of a leading girl's school.

A water skier is murdered when she takes a tumble and the speed boat bears down on her. Police soon find a connection between a baby sitting agency, a group of juvenile delinquent motor cyclists and a series of burglaries.

Catherine Leonardson has a wealthy husband who has taken second place to the other men in her life. Tension in their home turns to murder, and detectives find evidence making two men look equally guilty.

An ingenious plot to steal a consignment of diamonds leads to murder, and detectives are baffled as to who the culprits are - until they turn their attention to a number of large crates recently delivered to a factory.

Two criminals kidnap a doctor in order to treat a wounded man who was injured during a gunfight in which another man was killed.

The Homicide squad has help from the Forensic division when investigating the death of a woman who had apparently ceased to exist a year before being killed.

Matters are complicated for the police when a young girl shirks from the publicity she fears will result if she makes known the full story of her abduction and gang rape, following the revenge which was meted out to her assailants.

A man found dead in a burnt out car at the foot of a cliff is presumed to be the owner, James Bannister. But further evidence points to Bannister still being alive, and detectives gradually unravel an insurance fraud which ends in another murder.

When Homicide detectives probe the underworld to investigate the murder of a prostitute, they find the dead girl's friends and accomplices all fear for their own lives. Their investigations are complicated by an obvious crank with a passion for reforming people.

When con-man Hal Dunstan gets over-confident, a chance encounter with a prowler in a graveyard triggers more than he can cope with.

A series of apparently unrelated crimes appear to be the work of a careless amateur, until a discovery by an old tramp and a fatal bashing set detectives on a new line of inquiry.