Spencer comes back to Sodor, and the other engines are not pleased. Spencer challenges Edward to a race to The Duke and Duchess of Boxford's Summer House. The big engines don't think he can do it, but Edward proves that slow and steady can win the race.

Thomas is told to take the circus train, and to share the load due to its weight. But Thomas wants all the glory, so he tries to pull the circus train all by himself. He turns down offers of help from Salty, Percy and James. He regrets his decision though as his siderods break from the weight.