In a realm known as the Black World, hidden from most, a delicate balance is upheld by a historic pact with Earth. With negotiations looming to renew this crucial agreement, a radical group emerges, intent on sabotaging the peace process. Tasked with safeguarding inter-dimensional harmony, two skilled operatives from the Black guards, an esteemed organization, strive to secure the treaty's success. Director Yoshiaki Kawajiri, renowned for 'Ninja Scroll,' intricately weaves together elements of sensuality, terror, and intense combat as these agents race against time to finalize the peace pact.