Thomas is sent to work at the Blue Mountain Quarry and discovers a mysterious engine trying to hide. He befriends Luke, who is hiding due to a past mistake that could result in being banished from the Island of Sodor. Thomas is determined to uncover the truth behind the story of the wayward engine and learns about other engines from distant lands and a tragic accident at Brendam Docks.
Thomas & Friends: Blue Mountain Mystery
In this exciting adventure, Thomas the Tank Engine sets out to solve the enigma of the Little Green Engine at the Blue Mountain Quarry.
