Polina considered herself a happy woman: a beloved husband, a charming daughter, a house - a full cup. And even her dream of a big family came true: she decided that she would become an excellent mother for the orphan boy with whom fate accidentally brought her together. Alik was a very beautiful and gifted child, obedient, quiet - simply perfect. But with the advent of her adopted son, Polina’s prosperous life began to crumble. She was going crazy and trying to understand: is the sweet, touching boy really a monster who wants to destroy everyone who is dear to her?