The protagonist of the series "Holding My Breath" is a young woman named Nastya Lopatina, who lives a happy and fulfilling life but constantly worries about past mistakes. Despite her home being a full cup and her family loving and appreciating Nastya, she cannot fully enjoy the present day. She frets over trivial matters, never letting her daughter out of her sight and becoming jealous of her husband. Nastya's loved ones cannot understand her anxieties because she has had to hide an unpleasant secret her whole life, which could ruin her fate at any moment.