The famous singer Alicia Botti is coming for a concert and Thomas is chosen to take her. Thomas brags to Percy, who is very dirty compared to him. Along the way, Thomas and his crew hear a consistent squeak, but think nothing of it, until they discover what it really is.

The big engines believe Edward has used up all of his steam and should be retired. Percy is concerned and tells the Fat Controller about it. Edward is sent to run a loop line with Stepney, while Duck has to deal with Edward's Troublesome Trucks. They become too much for him and he slowly stalls himself and Gordon. Only Edward can rescue them now.