With only twenty-eight days to find a weapon that could change the world as we know it, Master Sailor Clive Davis embarks on a mission that will take him to a place unlike anywhere else in the world. Atlantis is a technologically advanced city built in the middle of the Atlantic Ocean by billionaire philanthropist Grace Alice. Undercover as a civilian deep sea welder Clive must track down the weapon and destroy it before Grace and her team can unleash it on the world. As Clive discovers more about the mysterious city, he begins to question what his true purpose...