Thomas, Percy and Henry are sent to collect coal trucks and take them to the docks. Emily is worried as she keeps seeing a line of water behind Henry. Thomas and Percy don't believe Henry is ill though and leave him a long line of trucks.

The Refreshment Lady is very busy, so Peter Sam is chosen to take her around the railway to find a spot for her new tea-shop. She can't decide, making Peter Sam disappointed. That night, a storm rolls across the island, and Peter Sam and Rusty find a solution to the problem.