Four teams of celebrities get behind the wheel of classic cars to compete in the Endurance Rally Association's Road to Saigon event, beginning in Northern Thailand and travelling 3000km through Cambodia and Vietnam. The teams consist of Noel Edmonds and his wife Liz in a MGB GT, married couple Martin and Shirlie Kemp in a 1972 Mini, mother and daughter Andi and Miquita Oliver in a 1959 Morris Minor, and friends Tinchy Stryder and Jordan Stephens in a Hillman Imp.