Millionairess actress-singer Marie Coleby (Deborah Couls) lives in a luxurious villa on a deserted beach. One afternoon following a TV commercial shoot at the villa she incites gardener Gordon Mason (Chard Hayward) to mayhem and murder. The unexpected arrival of Marie’s sister Jenny Nolan (Louise Howitt) hinders Mason’s attempts to dispose of the body. He then decides to kill Jenny. But she is equally determined to stay alive … so begins a battle of wits. Jenny’s salvation seems at hand when two security men arrive at the villa, but only one, Officer Collings (Roger Ward) survives the initial siege. Then Jenny is alone to face Mason for the final time …

Under the pretense of having a picnic, a geologist takes his teenage daughter and 6-year-old son into the Australian outback and attempts to shoot them. When he fails, he turns the gun on himself, and the two city-bred children must contend with harsh wilderness alone. They are saved by a chance encounter with an Aborigine boy who shows them how to survive, and in the process underscores the disharmony between nature and modern life.