At Paddington, the early morning service from Swansea breaks down and causes major disruption during the morning rush hour. Meanwhile, the staff face further challenges with a string of medical emergencies at the station and sabotage on the tracks.

As Storm Eleanor strikes a fly-away plastic bag causes a power outage trapping three trains, in Hungerford a falling tree hits a Penzance-bound service, and engineers work through the night to fix a crack that has been discovered in a set of points near Oxford.