Black Bag

British intelligence officer George Woodhouse is given one week by his superior, Meacham, to investigate the leak of a top-secret software program code-named Severus. One of five suspects is his wife, Kathryn, who is also an intelligence officer. He invites the other four suspects, also SIS operatives, over for dinner. The four suspects are satellite imagery specialist Clarissa, her boyfriend and managing agent Freddie, agency psychiatrist Zoe, and her boyfriend and managing agent James. At dinner, George drugs their food to lower their inhibitions. In an effort to learn more about the guests, George engages them in a psychological game. Amongst other things, it is revealed that Freddie has been cheating on Clarissa; in response to which Clarissa angrily stabs Freddie in the hand with a steak knife.