The woman, after dying from a crime, and subsequently being sent to hell, makes a deal with the Devil himself and she is sent back to the world of living as the Devil's Right Hand. With new demonic powers, she is tasked to prepare the world for a demonic invasion. But she couldn't care less for the Devil's plans. She just wants revenge on those who sent her to a place, where pain is your best friend. And she will do anything to get it. While trying to understand her newfound powers and fulfill her promise that she will live to the fullest, she needs to gain power in this new world. And for that, is best a small crime lord.