A man is brutally beaten so he and 4 others head to the beach for refuge and relaxation. It soon becomes clear that they've been imprisoned by person or persons unknown. Then an unknown mad killer begins picking off the vacationers, one by one.
John Brandy is an ex-cop on holiday in Singapore with his girlfriend Ginger when he hears an old Perth banker friend of his, Frank Newman, has committed suicide. He travels to Perth and discovers that Newman killed himself after being drugged at a party and found himself in a pornographic film; he was blackmailed and embezzled money to pay off his tormentors, but when the film was distributed anyway he decided to take his own life. Newman and Ginger decide to investigate who is behind the blackmail racket.
An ex-pro athlete runner and his wife find a strange boy in the middle of nowhere along with a murdered couple. He runs to a nearby town for help while she keeps the boy company. Meanwhile, escaped convicts are heading to their location.
When British Intelligence, following a series of experiments designed to increase alertness of long-distance lorry drivers through use of tonal repetition, discovers chordation that completely erases all memory, it is obvious that such a cleansed mind may be programmed to perform any type of action. Erstwhile agent Peter Clarke inactive for years, is chosen as courier to transport an audio tape of the tones to his native Australia.
A beautiful woman, Kate (Tina Grenville), is released from a sanatorium unaware that while she was away her husband John (George Lazenby) has begun an affair with her sister Marianne (Wendy Hughes). The two sisters live together in a creepy apartment block while John is away, and find themselves stalked by some mysterious strangers.
Homicide was an Australian television police drama series The series dealt with the homicide squad of the Victorian Police force and the various crimes and cases the detectives are called upon to investigate. Many episodes were based on real life crime cases.