Detachment is a chronicle of three weeks in the lives of several high school teachers, administrators and students through the eyes of a substitute teacher named 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 perfect profession for one seeking to hide out in the open. One day Henry arrives at his next assignment. Upon his entry into this particular school, a secret world of emotion is...