Finnigan Sinister and Ramone Dexter are gunsharks: hired killers with chalk outlines 'round their souls. Need a job done? Removal? Disposal? Deletion? Call the gun-lovin' criminals! The boys have killed their old boss, "Holy" Moses Tannenbaum, and created a new force in Downlode's underworld: Moses' former wife, the sultry Demi Octavo. As their new employer, Demi assigns a job for the lethal pair that's a bit of a surprise -- teaching her younger sister Billi how to be a gunshark!