How to bring to light those who are involved in smuggling human organs abroad? You must become one of them! Former military man Alexander Makhnitsky has to become a surgeon at a city hospital. Armed with a scalpel and stethoscope, he conducts observation. For the sake of investigation, Makhnitsky is even ready to give up all his bad habits and not look at beautiful women. However, false doctors are also smart and figure out “a wolf in sheep’s clothing.”