In this campy throwback to 1950's monster films, a vicious monster has risen from its watery lair to terrorize a small New England town. Local tutor Neil Stuart must warn the town and make them believe him before it's too late!

A vicious monster has arisen from its watery lair! It's the Riverbeast, and he's threatening a peaceful New England town. Local tutor Neil Stuart has seen the beast before, but nobody believed his story, making him the town laughingstock. Neil sets out to not only prove that the Riverbeast exists, but also, with the help of his beautiful pupil, scrappy tutor buddies, and a former professional athlete to vanquish the aquatic menace!—Anonymous