Is the world mute or is our inner self a whole world that doesn't listen?

Katerina is having a difficult day - everyone seems to ignore or reject her. She is fired at work, her parents ignore her, her friends avoid her. Feeling insignificant and upset, she gets drunk and contemplates suicide. However, the friendly approach of a young man makes her reconsider her worth, offering her comfort and emotional connection in her darkest hour, giving her a new reason to live.