When marine biologist Lee Archer is approached by the Department of Homeland Security for help with a new threat, she declines but quickly learns they won't take 'no' for an answer. Soon she is plunging to the depths of the Arctic Circle to a secret, underwater oil rig filled with roughnecks and scientists on the brink of an incredible discovery. But when things go horribly wrong, this scientific safe haven will turn into a house of horrors at the bottom of the ocean!