Little Blue Engine tries hard and passes her final test for Engine School, but learns that everyone's journey is different and that, sometimes, success requires a little help.
Kate and Tom are now full-fledged conductors of the steam-powered, animal-saving Great Secret Intercontinental Railway, but when Kate takes the Silver Arrow out on an unsanctioned mission to find Uncle Herbert she discovers a mysterious train called the Golden Swift with an agenda of its own.
Kate's humdrum life is transformed when her eccentric Uncle Herbert brings her a colossal locomotive train, the Silver Arrow, as her eleventh birthday gift, leading her and her younger brother on a mysterious quest.
Kate's humdrum life is transformed when her eccentric Uncle Herbert brings her a colossal locomotive train, the Silver Arrow, as her eleventh birthday gift, leading her and her younger brother on a mysterious quest.