Middle-aged Glasgow grocer Dickson McCunn ventures into the Scottish countryside in search of adventure, and finds a Russian princess imprisoned in a castle. Aided by a gang of Gorbals Die-Hards and a young Englishman, he rescues her from her captors and proves a hero, in spite of his qualms.

A Lady adopts a runaway slum girl who resembles her own dead daughter.

Mismatched travellers are stranded overnight at a lonely rural railway station. They soon learn of local superstition about a phantom train which is said to travel these parts at dead of night, carrying ghosts from a long-ago train wreck in the area. The travelers eventually get to the bottom of the things that go bump in the night.