Tydvil Jones, a chairman of the big firm, is challenged by an ethical dilemma and manages to summons the devil inadvertently. After some convincing and negotiations they struck a deal of soul purchase, bound to take place in three months. Fain to keep some time with Jones, Satan takes the character of smooth and polished gentleman named Nicholas Senior.

Erle Cox (1873-1950) was an Australian journalist and science fiction writer. In 1921, Cox joined the editorial staff of The Argus newspaper as a writer of special articles and book reviewer; later he was the principal movie critic. He is best known for Out of the Silence, a science fiction novel set in Australia.