In 1985, Sergei Gregoriev, a Soviet colonel, wants to force his nation to reform, so he leaks secret information to the West. He picks an unlikely contact, a Pierre Froment, French nebbish in the diplomatic corps. Gregoriev keeps a lot of balls in the air - a marriage, a teen son he's trying to bond with, a mistress who's a colleague at work; his tradecraft is equally reckless. Meanwhile, Froment keeps his spy work secret from his Russian wife, and Mitterrand uses Gregoriev's information to m find out more...