There is nothing more exciting than the powerful chug and hiss of a beautiful black steam engine, and Choo Choo is the finest locomotive on the tracks. She normally loves her important job of pulling cars full of passengers and mail from the small country town to the big, bustling city. But one day, Choo Choo grows tired of her humdrum duties. She decides she wants to show the world just how fast she can go all by herself, without any heavy cars holding her back. Leaving her crew behind, she speeds off down the tracks on a wild and runaway adventure. As she races past startled farm animals, through busy towns, and into unfamiliar territory, she soon realizes that being completely on your own might be more scary than fun. This charming and thrilling classic brings the joy of trains to life in a way that will capture your imagination.