My favorite sphinx

Zlata Dobrovolskaya succumbed to her friend’s persuasion to go for a week to an elite hunting lodge. And in this luxurious place, a gamekeeper is murdered! The investigation is taken on by the lodge owner Alexander Arzhanov alongside professionals, as... well as Zlata, who has read plenty of detective stories. She sticks her nose everywhere, notices a lot, and becomes an unwitting witness to strange scenes and conversations, so soon Arzhanov starts consulting her and paying attention to her opinion. Together they come to the conclusion that almost every current guest at the lodge had their own reason for disliking the gamekeeper. After an unknown assailant attempts to kill Zlata herself, Arzhanov does not let her out of his sight...