Disaster strikes when a group of vicious pirates attack and kidnap a pregnant American woman off the coast of Somalia. To get her back before more blood is spilled, Sigma Force enlist the services of former army ranger Captain Tucker Wayne and his war dog, Kane. But what starts out as a straightforward rescue mission rapidly escalates into a deadly hostage situation when the team discovers that the abducted woman is none other than the president's daughter. Meanwhile, a firebomb in the US lays bare a horrifying experiment at a fertility clinic where women from around the world are being enslaved and forced to bear children by artificial means, and where a baby is born with an impossible abnormality a triple helix of DNA. Commander Gray Pierce and Tucker Wayne must combine forces to uncover an ancient conspiracy and expose a dark truth hidden within our own genetic code. The answer lies in their mission to save the president's daughter and her unborn child, a child whose very existence raises an age-old question of immortality: if you could live for ever, would you choose to?