Johnny (Bill Nighy) and Margot (Helena Bonham Carter) are together again, just like old times, managing to stay a jump ahead of an international dragnet hard on their heels all across Europe. British Prime Minister Alec Beasley (Ralph Fiennes) desperately wants Johnny back, and so does Johnny’s old MI5 colleague, Jill Tankard (Judy Davis)—but for different reasons. Who will win this frenzied game of spy versus spy? And what happens when a terrible secret sees the light of day?