Golyamata skuka (1973)

The Bulgarian intelligence officer Emil Boev is given another mission. He leaves for a symposium in a large western European city. An American spy Seymour makes him out. He offers his assistance. Boev begins "a great boring game" with him. When Boev completes his mission, and his life is in danger, he manages to reach the location, where his friend takes him to the border in his car.