In 2078, in the wake of a global pandemic of vampirism, a sub-species of disease-modified humans find themselves possessing extraordinary agility, enhanced strength, incredible stamina, and acute intelligence. As a result, humankind is now pushed to the brink of a brutal, worldwide civil war. Now, against the backdrop of the imminent confrontation between the government and the "others", Ultraviolet, an infected beautiful Haemophage, finds herself caught in the middle, protecting Six, a helpless nine-year-old boy who has been marked for death by the military forces of Daxus. Can Ultraviolet destroy Daxus' ultimate anti-Haemophage weapon?