One man down after they lost a sniper on a certain mission in Abbottabad, Pakistan, NAVY SEAL Cadet Jack Walker is chosen to join the US's only supernatural unconventional-warfare special-mission unit - SEAL Team 666. Battling demons, possessed humans and mass murdering cults and evil in its most dark an ancient form, SEAL Team 666 has their work cut out for them. And when they discover that the threat isn't just directed against the US, Walker finds himself at the centre of a supernatural conflict with the entire world at stake.