Karen is a young student at the Pedagogical University. The time for exams has come and she, as a practicing teacher, must participate in the commission. One touchy student, whom Karen gave a bad grade, reported to the thief that in the apartment of the future teacher you can make good money. An unfortunate robber entered the apartment, but the exams were canceled and Karen returned home, she sat on the sofa and after the second time realized that she was not alone in the flat.