Steven Soderbergh and David Koepp had a very offbeat idea for their next movie. “David and I talked about what it would be like if George and Martha were spies,” Soderbergh says. “We wanted to make an espionage version of ‘Who’s Afraid of Virginia Woolf.

When George is handed a list of possible traitors, including Kathryn, he immediately sets out to discover whether her wife is lying to him. After an extensive game of cat-and-mouse, which at first appears to indicate Kathryn is playing both sides,

Black Bag centers on employees at the London-headquartered National Cyber Security Centre, leading some fans to wonder if the film is based on a true story.