Build a movie plot around this: What is Sam Foster's occupation? psychiatrist
A:
The film opens with a car crash on Brooklyn Bridge, and introduces Henry Letham (Ryan Gosling), a survivor of the crash, sitting next to a burning car on the bridge.Psychiatrist Sam Foster (Ewan McGregor) and his girlfriend an art teacher, Lila (Naomi Watts) are then introduced in a new scene. Sam discusses his patient, Henry, a college student and aspiring artist whom he describes as depressed and paranoid. Sometimes Henry hears voices, and he seems able to predict future events. Henry is also suspicious of Sam because he has suddenly replaced his ordinary psychiatrist, Beth Levy (Janeane Garofalo). Henry has told Sam that he, Henry, will kill himself that Saturday at midnight, which Sam finds very troubling. Lila, who has survived a past suicide attempt, offers to help to dissuade Henry from killing himself.Sam investigates Henry's circumstances in an effort to help. After repeatedly attempting to reach Dr. Levy, he comes to her apartment to find her disoriented and lethargic, mumbling incoherent phrases like "I didn't touch him; I know you're not supposed to move him." Henry claims to have killed both of his parents, but Sam finds Henry's mother (Kate Burton) and her dog living in a bare house, confused about Sam's identity (she insists that he is Henry) and refuses to respond to his questions. Henry's mother insists on feeding Sam, but when she opens the fridge it is completely empty. Her head starts bleeding and when Henry attempts to help her, her dog bites Sam.At the clinic to have his arm bandaged, Sam discusses the visit with a police officer who is curious as to why he would visit that house. Sam explains what happened, but the police officer tells him that the woman who lived there is dead. This seems to send Sam into a fugue in which the same scene is repeated several times.Later, Sam contacts a waitress named Athena (Elizabeth Reaser), whom Henry has mentioned and fallen in love with. She is an aspiring actress and he meets her at a script reading where she is reading lines from Hamlet with...