The story revolves around the central character, Polly, a talented young circus performer who works as an equestrienne (a horseback rider) in a traveling circus. Despite her skill and beauty, Polly faces challenges and prejudices due to her background as a circus performer. She is also physically disabled, having a slight limp, which makes her even more of an outsider in society.The narrative explores themes of love, prejudice, and societal expectations as Polly becomes romantically involved with a minister named John Douglas, who becomes fascinated by her strength of character and her dedication to her craft. Their love story is set against the backdrop of the circus, with its colorful cast of characters and the challenges they face in accepting Polly and her relationship with the minister."Polly of the Circus" was notable for its portrayal of disability and its focus on the life of circus performers. It also delved into social issues and the prejudices faced by individuals from different backgrounds and professions. The novel's success led to adaptations in various forms of media, including a silent film in 1917 and a 1932 sound film.Margaret Mayo's work in "Polly of the Circus" contributed to a broader discussion of social issues and the portrayal of marginalized individuals in literature and entertainment during the early 20th century.