As winter comes to an end, Reuben and Jess salvage stone from a quarry, but machinery troubles slow them down. Meanwhile, Reuben joins Tommy and Miles in airlifting flagstones via helicopter to restore a rugged stretch of the coast-to-coast trail in the Yorkshire Dales. Plus, the family reflect on Miles’s recent medical emergency, as he and Amanda reunite with the air ambulance team that provided critical care.