Vivian works as a CIA analyst. For many years, he and a team of colleagues have been trying to uncover members of a Russian sleeper cell on the territory of the United States. After she manages to break into the computer of a Russian spy, she comes across a folder of secret agents. At first glance, five ordinary people. But with just a few clicks, everything Vivian cares about is suddenly in danger - her job, her husband and her four children. Vivian promised to protect the homeland from enemies. But who can he trust now?