There is always an enemy. An enemy who wants to get your land, your wealth, your resources. This is understandable, it is familiar, it corresponds to the worldview of a person whose civilization is built on struggle. But what if the enemy does not need all of the above? What if the only resource he's interested in is your body? Not even that - your personality? Your mind, your memories and thoughts. And how to fight the enemy if he is not even material? Ivan Polskikh, yesterday’s student who became a novus and the Leader of the clan, does not know the answer to this question. But he knows something else for sure: if the patient wants to live, medicine is powerless!