When Thomas is considered “too small to work”. An the evil duchess Morag is threatening The Island Of Sodor, along with Diesel 10 who has come back to Sodor to cause trouble, and Diesel, Big City Engine, Class 40, Den and Dart, and Splatter and Dodge, it’s up to Thomas and his new friend Ronnie Anne to uncover the mysteries of The American Railroads. Based on the famous work and characters of the Rev. Wilbert V. Awdry, join the famous blue tank engine and his new big city friends as he helps Ronnie Anne become more than what she was born for.
