It's Christmas in Darrowby and everyone is trying to make the most of things while the world is at war. A young guest brings some wonder, mischief and cheer to Skeldale House while everyone waits for important news. When Mrs Pumphrey heralds the arrival of a kitten in need of some extra care at Pumphrey Manor, James has just the person to take him under their wing. Siegfried is asked to pay a visit to an injured River just before a big race and makes an important discovery which Sebright Saunders uses as leverage to get River back on the racetrack.