Little Vampire lives in a haunted house with a happy bunch of monsters, but he's terribly bored ... He's been 10 years old for 300 years now, so pirate ships, and the movie club, it's been a long time since it no longer amuses him. His dream ? Go to school to make friends. But her parents don't hear it that way, the outside world is far too dangerous. Accompanied by Phantom, his faithful bulldog, Little Vampire escapes the mansion in secret, determined to meet more children. Very quickly, he befriends Michel, a little boy as smart as he is endearing. But their budding friendship will catch the attention of the terrifying Gibbous, an old foe who had been following Little Vampire and his family for years ...