The teacher lives calmly and measuredly, though he does not always get along with students who are already old enough to study anatomy immediately in practice, and not according to textbooks. But everything changes after visiting the Blue Venus cabaret, where he sees Her on stage - and immediately loses her head, succumbing to a fatal passion. He worships this woman, for the sake of her look, a kiss he is ready to do anything ... but it would be better for him to stay home that evening, because the ideal and the real image are often not the same.