Althought the Montellis are not exactly the 'perfect family,' at least they've found the perfect home.  And even though a liquid that lloks like blood gushes from the kitchen faucet and every window has been nailed shut, it still qualifies as their dream house-until all hell breaks loose!  A local priest tries to rid the house of unclean spirits, but what he doesn't yet suspect is that teenage son Sonny Montelli has been possessed, body and sou, by a murderous demon bent on total destruction!