Billy and his sister, Sheena, are visiting their uncle Dr. Deep on a tiny Caribbean island. It's the perfect place to go exploring under water ... and Billy is ready for an adventure.
Billy learns a very dangerous lesson when he ignores his uncle Dr. Deep's warning to stay away from the coral reefs while diving and encounters a horrifying half-human, half-fish creature lurking deep below the surface.
Billy learns a very dangerous lesson when he ignores his uncle Dr. Deep's warning to stay away from the coral reefs while diving and encounters a horrifying half-human, half-fish creature lurking deep below the surface.
