The coastal town of Bristol Cove is known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.

Hidden from the view of the public - and even from the President - there is a top secret agent who is trained and ready to serve, deployed only at the careful discretion of the Vice President.