The year is 1572. The Russian Tsardom. Miron Saburov is an oprichnik of Ivan IV the Terrible, a warrior from the “Wolf Hundred.” By the Tsar’s order, the “Wolf Hundred” wages war against undead and filth—evil spirits that are more than plentiful in Rus’. Possessing extraordinary strength, courage, powerful energy, and unmatched skill in battle, Miron is known as the best knight-hunter of sorcerers, werewolves, ghosts, and other unclean spirits. One day, the old monk-radigor gives Miron Saburov a mission: find and win back from the otherworldly forces and the dark filth the ancient Holy Grail Cup, which can grant immortality. Miron sets out on the journey with his brother Vasily and soon finds, in a dungeon, a strange nun…