They are forced to leave the city and move to the country to live with their uncle Mike (Nicholas Eadie) after their mother Alice (Diane Craig) is hit by a truck and killed.
They were Ted Morgan (Ben Mendelsohn), Colin "Cowboy" Clarke (Mark Hennessy), Charlotte "Char" Kernow (Kylie Minogue) and Brian "Brains" Buchanan (Bradley Kilpatrick).
Steve and Tamara defend the family land, Henderson's Point, against the schemes of ruthless businessman Ashley Wheeler (Peter Whitford).
They had a new gang of friends, including Vincent "Vinnie" Cerantonio (Alex Papps) as the leader of the Brown Street Boys (a gang of local high school kids on BMX bikes), twins Carol (Anita Cerdic) and Marty Summers (Nathan Croft), and Brian "Brains" Buchanan and Trevor Cathcart (Nicholas Creed), both holdovers from the original series.
Other central characters were the Henderson's next door neighbours Helen Marshall (Louise Howitt) and her 9-year-old daughter Sally (Marieke Hardy), their dad's shady business partner Harry (Ross Thompson) and his henchman Spider (John Jacobs), Sergeant Javorsky (Doug Bowles) of the Victorian police, Brown Street Boy Mick Dalton (Paul Hall) and the Westport High School 'snob' Miranda Kilsyth (Elizabeth Rule).