They came by boat from a starving land, and by the Underground Railroad from Southern chains, seeking refuge in a crowded, filthy corner of hell at the bottom of a great metropolis. But in the terrible July of 1863, the poor and desperate of Paradise Alley would face a new catastrophe, as flames from the war that was tearing America in two reached out to set their city on fire.

Summer 1943. Harlem is a never-ending carnival in the second year of the war. Yet underneath the glitter, its black residents remain second-class citizens, and the neighborhood is a tinderbox, waiting for a match.

Among the thousands of immigrants who arrive in New York harbor is an Eastern European stowaway called Kid Twist who earns his keep as an enforcer for the ruthless gangster Gyp the Blood. Soon though, Kid brutally splits with Gyp, leaving him bleeding from a shovel wound to the head in a rancid basement on the Lower East Side. His life now in jeopardy, Kid flees to Brooklyn, finding asylum with a Coney Island carny known as Trick the Dwarf.