A dazed woman walks the streets of Los Angeles looking for a man named David. After collapsing in a diner, she's taken to the psychiatric ward of a nearby hospital. Flashbacks reveal her obsession for David as a result of borderline personality disorder which ultimately leads to murder.
If you liked this movie, you should also see: White Heat (1949)The Night of the Hunter (1955)Out of the Past (1947)Double Indemnity (1944)The Big Sleep (1946)