An airliner crashes in the polar ice-cap. In temperatures 40 degrees below zero, six men and four women survive.
But for the members of a remote scientific research station who rescue them, there are some sinister questions to answer – the first one being, who shot the pilot before the crash?
Operatives of the shadowy covert organization Sigma Force, Dr. Lisa Cummings and Monk Kokkalis search for answers to the bizarre affliction aboard a cruise liner transformed into a makeshift hospital. But a sudden and savage attack by terrorist hijackers turns the mercy ship into a floating bio-weapons lab.
Time is an enemy as a worldwide pandemic grows rapidly out of control. As the seconds tick closer to doomsday, Sigma’s commander, Gray Pierce, must join forces with the beautiful assassin who tried to kill him—following the trail of the most fabled explorer in history into the terrifying heart of an astonishing mystery buried deep in antiquity and in humanity’s genetic code.