 The Berlin Wall is gone; so for all intents and purposes, the Cold War is over. In Berlin, Mac Mackenzie a former spy and currently the proprietor of Mac s - a bar in Berlin which is considered to be neutral territory during the Cold War, is kidnapped. Two of his regulars and friends, Valentin Renko, a former KGB agent, and Willy Richter, a BND operative are asked by Mac s daughter to try and find him. After they do, they decide to team up and be investigators.