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.

Danny wants two things in life more than anything else, one is a Jaguar and the other is Joanna Johnson. After he is conned into trading his Nissan Cedric for a 1973 Jaguar, he plots to win Joanna and get revenge against the sleazy car dealer Gordon Farkes.