When John Wells is called to Washington he's sure it's to investigate a drug-bust gone wrong, but it isn't. The former CIA director, now president, Vinnie Duto has plenty of people working in Texas. He wants Wells to go to Colombia. An old asset there has information that will lead Wells to the deadliest mission of his life, an extraordinary confluence of sleeper cells, double agents high in the U.S. government - and a Russian plot to take over the government itself. Interfering with the presidential election was just the first step.