 Ludvik, a Communist official, arrives back home with his wife after spending the evening at a government function where he finds out that several of his colleagues have been  relieved  of their responsibilities. Once he is inside he discovers that his house is bugged and that  The Ear  of the government has been listening to him. When the electricity goes in his house and he sees a group of shady men waiting outside his house, he fears that he is the next one to go....