In a world filled with humanity and magic, comes it's sins. The Plague, a drug developed by criminals to push humanity's magical potential beyond it's limits, is running rampant throughout the world, slowly pushing those who take it into madness. When all hope seems lost in a power struggle for corruption and power, comes those who fight to restore balance and peace: Plague Doctors. With Celeste, a leading Plague Doctor in her city, and her squad of rag-tag personalities and determination, what will become of the world tainted by this power struggle?