What would you do if you knew that your father is a secret black magician traveling the worlds? And, even worse, he wants to use the evil force that is about to awaken in you?.. Sixteen-year-old Diana, not wanting to do evil, flees from home, but by the will of fate falls into another world. Castles and barons in it are a relic of a long past. During the day, people dominate here, and at night - vampires. Diana quickly finds herself in trouble... and an accidental guide - a caustic vampire named Two-Face, who reluctantly agrees to teach her survival in the new world. However, Diana does not yet know that she herself will become the main enemy for her...