When Billy's dad suddenly inherits legendary Frankenstein Castle, all kinds of surprises are waiting in the mist, and Billy is in for quite an adventure.

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...—Mike Konczewski

Twelve year old Billy Frank had but one wish - that his dad George would stop spending all his time at work and start spending a little more time with him. Soon a phone call shatters his father's secret past when great, great uncle Victor Frankenstein dies and wills the infamous Frankenstein Castle to George. The young Billy Frank is about to become - BILLY FRANKENSTEIN. All is not quite as it appears and there are more secrets just waiting to leap out of the shadows.