World War II has ended. Cub, Copper, and Trapper are meeting for a reunion dinner with Gimlet at the Ritz Hotel in London. Bizarrely, Gimlet doesn’t turn up!
Investigating the mystery, our three heroes discover that Gimlet has inherited an estate in Scotland and was last known to be there. Travelling to Scotland our heroes discover a suspicious pub called the Glencarglas Arms as one of the nearest premises to Gimlet’s isolated estate.
An old tin mine is on the track to Gimlet’s estate, so the three go to look round it. Here, to their utter astonishment, they find an unconscious Gimlet at the bottom of a remote shaft...