Thomas is working on the Clay Pits when a storm closes in and the rain makes the clay cliffs unstable. A flash of lightning reveals what seems like large footprints on the slope above, however a landslide has begun and Thomas can't keep to research. Invoice and Ben push Thomas to security simply in time. Unable to return and ensure what he noticed, Thomas tells Percy about it, however Percy rapidly turns into satisfied that there's a monster on the island. He even turns into scared of taking the mail prepare at evening. When an uncommon engine with sloping boilers first seems, Percy thinks he have to be the monster. James teases Percy and tries to scare him much more, however the brand new engine, who is known as Gator, proves to be an excellent good friend and ally, who helps Percy uncover what it actually means to be courageous.