On Sodor, Thomas and his friends are being threatened by Diesel 10, his two cronies, Splatter and Dodge, and George the Steamroller while the residents of Shining Time are being threatened by Burnett Stone's arch nemesis, P.T. Boomer. Unbeknownst to them, an enchanted engine called Lady has magic that keeps the Magic Railroad and the steam engines alive. Will Diesel 10 and P.T. Boomer destroy Lady and all the steamies on Sodor?
