When Anthony, a seasoned cop, attends a noise complaint alongside rookie Ana Costa, he realizes he was once best friends with the subjects of the call and has to grapple with their horrific actions and hold the right person accountable.
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.
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 successful "house tuner" in New York City, who calibrates the sound in people's homes in order to adjust their moods, meets a client with a problem he can't solve.