George the Steamroller causes a great deal of trouble for the engines. He goes as far as bullying Percy, tarmacking asphalt over the tracks, causing Thomas to crash through a chicken coop, and causes Gordon to crash into one of Duck's trucks. The Fat Controller deals with him after.

Percy complains that he is overworked, though the others are unsympathetic. While working at the Coal Mine, some trucks escape from him and they crash inside the mine-shaft, which causes the entire mine to collapse. Percy and his crew try to escape, but are buried underneath coal. Luckily, they are saved by a canvas barrier.