When their scientist father moves them to a new home next to a swamp, Kelli and Shawn hear stories about a terrifying, ancient beast that inhabits the muck and the pair try to convince their father to move them out before it strikes.
When their scientist father moves them to a new home next to a swamp, Kelli and Shawn hear stories about a terrifying, ancient beast that inhabits the muck and the pair try to convince their father to move them out before it strikes.
