The book chronicles the adventures of a young pioneer family as they travel westward from Wisconsin to Kansas in the late 19th century. The family, consisting of a mother, father, and their three daughters, face numerous hardships and challenges along the way, including scarce resources, harsh weather conditions, and encounters with Native Americans. Despite these challenges, they manage to build a new life for themselves on the prairie, showcasing the resilience and determination of early American settlers.

The novel is a fictional account of the life of notorious abolitionist John Brown, told from the perspective of a young, freed slave named Henry Shackleford. Disguised as a girl for his own safety, Henry becomes a member of Brown's motley family of abolitionist soldiers, and finds himself in the historic 1859 raid on the U.S. Armory at Harpers Ferry. The book blends historical facts with imaginative storytelling, providing a humorous yet poignant exploration of race, religion, and identity in America.