Stranger

A young Western woman is recruited by the Mossad to go undercover in Tehran where she becomes entangled in a complex triangle with her handler and her subject.

A reporter, fired after refusing to give names to a 1951 House Un-American Activities Committee, takes a part-time job as companion to an old lady. While working she overhears a noisy argument in the neighboring house, being conducted largely in German and involving her HUAC prosecutor. She begins to investigate, enlisting the help of the FBI Agent initially detailed to surveil her.

A nightmarish evening unfolds for neighbors David and Robert when they accidentally hit a woman on her bike and flee the scene. While David is increasingly plagued by feelings of guilt, Robert shows no remorse and becomes overbearing and possessive.

20 men are chosen to participate in the roles of guards and prisoners in a psychological study that ultimately spirals out of control.