Con man, Norton "Silk" Kirby, a small-time crook who had tried to rob Tony Quinn (when sighted) one night and had been persuaded to stay on as "officially" a valet and this continued after Quinn was blinded. His many criminal skills are a valuable asset to the Black Bat. Carol, a "resourceful and intelligent girl" who is already working undercover in a gang decides to work with Quinn on his secret crusade and last comes Jack "Butch" O'Leary who risked his life to save a crowd from machine gun fire.