Mattapoisett is a quintessential New England town with beautiful beaches and quiet neighborhoods. But life in Mattapoisett is far from ideal... it is also the epicenter of the Bridgewater Triangle, an area known for its many supernatural occurrences. For over 50 years, the residents of this seemingly peaceful town have been terrorized by a series of supernatural beings and hauntings; the most dangerous and powerful of all being the Swamp Monster.