Joey is a young kangaroo whose parents are captured by hunters & placed in an amusement park. Befriended by Billy Mac Gregor (Jamie Croft), the young 'roo hides out in a treehouse until Billy makes the decision to travel to Sydney & rescue Joey's parents. The duo are helped by Linda Ross (Alex Mc Kenna), the daughter of US Ambassador Ted Ross (Ed Begley Jr), as they journey from the outback to the big city.