Billy Frank is an ordinary kid, until his family inherits an old castle and Billy learns he's a distant relative of the infamous Dr. Frankenstein. Billy's folks decide to visit their family estate, and Billy soon discovers they're not alone.

A reality TV crew visits Castle Daninsky to search for a hidden treasure in the dungeons. Instead of finding treasure, they unearth a tomb and unleash a cursed servant.

While visiting a traveling carnival full of human freaks, high school students nearly join as permanent members.