After Sir Topham Hatt messes up his instructions for Kenji's passenger delivery, Thomas is asked to set things right! However, as Thomas follows Kenji's trail, he repeatedly forgets to ask his friends ...
In a reboot of the classic TV series, a younger Thomas The Tank Engine goes on adventures with all of his friends, as they work on The Island Of Sodor.
After Thomas and Percy get spooked by a suspicious rumbling, the engines set off to figure out the secrets of the old mine inside Lookout Mountain.