Derry Field

Outback pilot Jim Hawk investigates the murder of his brother, who had been involved in diamond mining in Queensland. He uncovers a plan to flood the market with diamonds.

Teens P.J. and Goose get their thrills on BMX bikes, performing hair-raising tricks all across Sydney, Australia. Along with their new friend Judy, they discover a box of walkie-talkies -- and find out that a gang of criminals intends to use them to monitor police signals during a bank robbery. When the young trio snatches the devices, it propels them on a hair-raising adventure in which their pedaling skills might just save their necks.

Three young friends trying to break into the entertainment business inadvertently anger a mob boss, setting in motion a chain of events that results in their being hunted by every thug and killer in town.