City kid, Sean, comes to Habitat for a visit, but is unhappy in the bush. He's even less pleased when he discovers that he has spend time with his granddad Bill. Jerry and Lou let him take Skippy along.The rascals next door to grandad keep setting the bull onto him but Sean thinks he's making it all up. The four children live by themselves and don't want to be discovered as they may be split up and put into foster homes and so decide to try and take the bull and run away to the city. They soon get into trouble in the bush. Sean and Skippy find them, and with the help of granddad Bill a happy resolution is found.