In this animated adventure, Thomas the Tank Engine and his friends embark on a thrilling journey that tests their courage and friendship. When a series of mysterious footprints are discovered after a storm, Percy becomes convinced that a monster is lurking on the island. As the engines work together to uncover the truth, they learn valuable lessons about bravery and teamwork. The film features the voices of familiar characters and is directed by Rob Silvestri. For those interested, it can be viewed for free on 123Movies / Movies123.