A Dark Secret. Thomas Morehart and his sister, Kara are vampyre, not the undead, but creatures evolved over hundreds of thousands of years to mimic their prey, man. Then - rescued from a Nazi Prison Camp, Thomas and Kara are brought to the U.S. and forced to work inside government-owned mortuaries. Now -betrayed by the government, Thomas and Kara are in a race against time to transform back to their feral states or risk Exsanguination by government sanctioned hit squads.