In this exhilarating series, four pairs of British celebrities put their driving skills and relationships to the test as they join a part of the Endurance Rally Association's Road to Saigon in a fleet of classic cars. The celebrities taking part in the challenge come from various backgrounds as TV legend Noel Edmonds and his wife Liz drive a classic MGB GT, husband and wife Martin and Shirlie Kemp drive a 1972 Mini, food broadcaster Andi Oliver and her TV Presenter daughter Miquita Oliver have a 1959 Morris Minor and friends Tinchy Stryder and Jordan Stephens get behind the wheel of a Hillman Imp. The famous duos' challenge is to drive from Northern Thailand through Cambodia and Vietnam in some of the least explored areas of the region; taking on some of the most challenging roads in the world.