The intrepid trio find themselves back on four wheels for their latest adventure. Armed with sports cars, Richard, James and Jeremy think they are in for a cushy road trip as they arrive on the exotic island of Reunion and race on the world’s most expensive piece of tarmac. But a bizarre challenge propels them to Madagascar where they must tackle the world’s toughest road.

Confined to the UK by Covid, Jeremy, Richard and James embark on a Lockdown Special to find out just why American 70s cars never took off in Britain. At the wheel of a Cadillac Coupe De Ville, a Lincoln Continental and a Buick Riviera in stunning Scottish surroundings, the three hosts undergo many mishaps and adventures before embarking on one of their toughest challenges yet.