Gumdrop is nearly scooped up by a bulldozer when he visits Mildew Manor. They are building a motorway right through the safari park. Mr Oldcastle and Sir Marmaduke hatch a plan to keep the bulldozers at bay - but it's Gumdrop who really hits the jackpot!

Gumdrop is a famous vintage car belonging to Val Biro. Together they travel the country visiting their many fans and appearing on television.