Faced with the problem of delivering a 24 tonne replica plane for intended use as a fire simulator at their Southend Airport, the company calls in the experts from their Rail Division. Transporting such a huge load presents major difficulties and they need all their experience, resourcefulness and ingenuity to overcome them. Meanwhile, Liverpudlian driver Jimmy Callaghan is on a tough multi-drop mission around Manchester when his massive truck gets stuck in a packed car park, leading to an altercation with a concerned car driver.