A chronicle of three weeks in the lives of several high school teachers, administrators and students through the eyes of substitute teacher, Henry Barthes. Henry roams from school to school, imparting modes of knowledge, but never staying long enough to form any semblance of sentient attachment.

A petty criminal fakes insanity to serve his sentence in a mental ward rather than prison. He soon finds himself as a leader to the other patients—and an enemy to the cruel, domineering nurse who runs the ward.