Documentary about three children on the professional go-kart racing circuit and the parents who support them through gruelling training and the pursuit of sponsorship deals as they work towards becoming Formula 1 drivers when they grow up. While two families are able to spend large sums of money on their children's ambitions, 10-year-old Fenn Chapman, who has found the sport useful in managing his autism, is unable to join a professional team and faces competitors with much higher budgets.