Landscape designer Varvara Krasnova arrives at a private estate at the invitation of the owner to improve the garden. And unwittingly becomes an eyewitness to a tragedy - the morning after a family party, the owner of the house, Boris Krasnov, is found dead in the office. It would seem, who could suspect a landscape designer who accidentally ended up in the house of murder? However, investigator Kirill Malinin finds out that Varvara Krasnova is not at all who she claims to be.