In early 20th century Czechoslovakia, a gravely ill chemist recalls his discovery of a powerful explosive and how it landed in the hands of anarchists.
Five crime stories connected by the narration of police superintendent Bartosek.
A new teacher with high standards and a strong sense of duty replaces an easy grader. Once bad grades begin to pile up, a product of his predecessor's subservience to the system, the new teacher has to stand up for himself and his students.
