The Yellow Crayon is a 1903 novel that explores the adventures of Mr. Sabin whose wife Lucille has been targeted by a mysterious secret society. Mr.Sabin takes the initiative to look for her and finds her embroiled in a Royalist secret society. He is immediately pulled into a mystery involving the order of the Yellow Crayon a group of powerful but hidden figures working to combat anarchy and socialism. The current leader is only invested in personal gain and uses his influence to commit unspeakable acts.