The story begins with a theological discussion in an airship, whose owner, Lucifer, nearly runs it against the ball and the cross which surmount St. Paul's, London. Here he leaves the other occupant of the ship, an old hermit, who appears again at the end of the story. Then the reader begins to follow the adventures of two Scotchmen, Maclan, the romantic highlander and Catholic, and Turnbull, the ...