Based on the story of the same name from Four Little Engines.Sir Topham Hatt has sent Sir Handel to the shed in disgrace, so Peter Sam is now single-handedly running the railway and extremely excited about his new position. One day, Henry threatens to leave without his passengers. In a haste to meet his connection, Peter Sam's eagerness almost leaves the Refreshment Lady behind.

Based on the story of the same name from The Little Old Engine.Gordon advises Sir Handel to get out of work by pretending to be ill. leaving Peter Sam and Rusty, a new diesel engine, to take over his work. However, some trucks mistake Peter Sam for Sir Handel and crash into him at the incline.

Based on the story of the same name from The Little Old Engine.Skarloey finally returns home after being repaired and meets Rusty. Peter Sam, still recovering, informs him of the newest arrival a careless and bad-tempered steam engine named Duncan. Soon, Skarloey is sent to Duncan's aid when he is stuck under a decrepit tunnel.