The story of Rudolph, a thirteen year old vampire, whose clan is threatened by a notorious vampire hunter. He meets Tony, a mortal of the same age, who is fascinated by old castles, graveyards and – vampires. Tony helps Rudolph in an action and humor packed battle against their adversaries, and together they save Rudolph’s family and become friends.
Rudolph has problems. Not only is he thirteen years old and a vampire, but his whole family is threatened with extinction by the cruel vampire hunter Rookery. Rudolph fortunately encounters twelve year old Tony, a human. Rudolph brings Tony along on his adventure, which takes the two boys to Transylvania, and brings their two families together, helping them overcome their prejudices against each other. Along the way, they face numerous dangers, and both vampires and humans must show courage and ingenuity. United, they manage to vanquish the evil vampire hunters and free their relatives at last.