Joermungandr is an ancient Norse sea monster. Thought to be purely a myth until a battleship is torn a part by one. With his brother on that ship, former Navy Seal and deep-sea diver, Miles Raine, sets out on a personal vendetta against the creature and hopefully save his brother. Bringing with him his old Seal team, the Dagger Points, they embark on a mission that might very well be their last. But what happens when the hunters become the hunted and the dark waters reveal more than a monster?