Growing up in the impoverished Five Points district of New York City in the years 1857-1863, Theo is an orphan living between the homes of her Black and Irish grandparents. Throughout her formative years, Theo witnesses everything from the creation of tap dance to P.T. Barnum's sensationalist museum to the draft riots that tear NYC asunder, amidst the daily maelstrom of Five Points work, hardship, and camaraderie.