World Without Faces

David doesn't recognize anybody at his new high school, and he never will. He has prosopagnosia, a neurological disorder that prevents him from recognizing people's faces. With a few tricks and the help of a best friend, David manages to keep his disorder a secret and lead a normal life at school. When he witnesses his best friend's murder, however, David is left with a broken arm and a feeling of abject helplessness: he can't even give the police a description of the killer. When a student...