1915 World War I. Thirty-five-year-old chemist Heinrich von Stolz was given the lot to participate in the development of chemical weapons of mass destruction - previously unknown, but already prohibited by all diplomatic acts. Ah, an unlucky time for Henry! He is forced to endure all the hardships of life: moral and ethical worries about the fate of people whose murder he will be indirectly guilty of, and his wife’s relationship with a local politician. Poor, poor Henry!