When a tall, black-haired handsome man appears on Katherine’s path, her measured, calm life comes to an end. Feelings awaken in her that she had not previously suspected. But soon she learns the truth about her lover, which turns out to be shocking to her, and decides to break up with him. However, life puts forward its arguments in the debate about what happiness is. And are those seemingly insurmountable barriers that prevent two loving hearts from uniting really so unshakable?..