Viktor Korneev, a 78-year-old botanist, is reborn in the body of Elias—a seventeen-year-old “empty one,” despised by everyone in the settlement. The grandfather is dying from poison, debts threaten eviction, and behind his back people whisper about his uselessness. His only chance is the “Master Herb” system, awakened in his consciousness. Now the knowledge of the old scientist will become his main weapon.