Does the mysterious and rare animal Luhoso, which oligarch Igor Zuikov ordered for his personal zoo, really exist? Exotic animal delivery workers Vera Galkina and Nikolai Vorobyov took on the task of making his dream come true. And so Luhoso was found on the banks of the Amazon and delivered to the oligarch. However, during a difficult and dangerous journey, Nikolai contracted some kind of infection unknown to doctors and died suddenly. But his mother claims that her daughter-in-law Vera has already twice made unsuccessful attempts to kill Kolya. After interrogation by the police, Vera disappeared, her mobile phone is silent, and she is not at home. Viola Tarakanova and her husband Stepan Dmitriev set out to understand this difficult story, not even imagining that this case would be the most confusing and mysterious in their practice...