A criminal is brought in by G.U.N. for various crimes; rape and murder. And that all due to a single weapon, a gun with a strange appearance. The criminal isn't very cooperative so someone has to keep an eye on him throughout his stay in G.U.N.'s HQ, or rather someones; Team Dark. Through the course of the criminal's captivity, Shadow gets tainted by the desire of the gun. That desire and lust he takes out on a certain blue hedgehog. CREDIT TO KOUDOKU FOR THE HEARTSHOT AU! This is an interpretation by me and not linked to their canon au.