Skarloey ist froh, als er wieder zurück bei seinen Freunden ist. Sofort erzählt ihm Peter Sam von Duncan und seinen Problemen. Nun soll Skarloey ihm zu Hilfe eilen...
Peter Sam is delighted when Skarloey returns home. He tells him about Duncan, who came as a spare engine after his accident.
Skarloey would like to meet Duncan but gets to sooner than he expected!
Skarloey returns home, and meets Rusty and Peter Sam. He also meets Duncan, a rude and careless engine. Soon, Skarloey has to rescue him from under a fallen tunnel.
