Irish tractor-pulling champ Darren Bailey brings in his monster power house machine, The Challenger, so the team can help him get it into shape for the new season. With three All-Ireland Championships under his belt, this time he needs to make sure his tractor is bigger and better to keep his crown. The Godfather of the Irish pulling scene, Harkie Watt, lends a helping hand. With a surprise race at the end, is the tractor up for the challenge?