The Steamies and the Diesels face off in this action-packed movie adventure! There's a fire on Sodor and two new firefighting engines - Flynn and Belle - arrive to help Thomas and Percy save the day! When Thomas starts spending all of his time with Sodor's newest heroes, Percy is drawn to the Dieselworks, where he is made to feel special by the master of mischief himself, Diesel 10! But Percy doesn't know that he is part of Diesel 10's master plan to take over the Steamworks. The Steam Team rallies for sure-fire excitement in this all-new movie from Thomas & Friends!