The United States has a military presence in two-thirds of countries around the world. Some of them have had enough. A group of terrorists calling themselves The Engineers initiate a terror ultimatum called the Blacklist – a deadly countdown of escalating attacks on US interests at home and abroad.Sam is back in his ops suit and goggles, and he’s more lethal and agile than ever. Granted the freedom to do whatever it takes to stop the Blacklist, Sam flies from exotic locales to US cities as he races against the clock to find out who’s behind this devastating threat.