Henry likes to kill people, in different ways each time. Henry shares an apartment with Otis. When Otis' sister comes to stay, we see both sides of Henry: "the guy next door" and the serial killer.
Chicago psychiatrist Judd Stevens is suspected of murdering one of his patients when the man turns up stabbed to death in the middle of the city. After repeated attempts to convince the cops of his innocence, Dr. Stevens is forced to go after the real villains himself.
