High School students Salvadore and Carmine Dementia, while working on a science project, inadvertently create an inexpensive computer operating system and Internet browser that doesn't crash! The Dementias strike it rich when the boys' project appears on the Evening News, and it convinces a Hong Kong-based company to flood the market with an inexpensive black-market version of Microsoft Windows called Chindows. The entire Dementia Family, thanks to young Carmine and Salvadore, have now become dot-com millionaires. With the rest of the dysfunctional Dementia family sporting only grade-school educations at best, the Dementias begin to flaunt their new-found wealth. As they begin to convert their modest Long Island home into a white statue-laden mansion, the first order of business is to construct a haunted house for Halloween to impress their working-class neighbors, who are portrayed by movie stars and comedians in cameo roles. As practical joking has been ingrained in the Dementia fami