

Police conduct a manhunt for the Zodiac Killer, a serial killer who terrorized the San Francisco Bay Area during the late 1960s and early 1970s, taunting police with letters, bloodstained clothing, and ciphers mailed to newspapers.

When Lou Bloom, desperate for work, muscles into the world of L.A. crime journalism, he blurs the line between observer and participant to become the star of his own story. Aiding him in his effort is Nina, a TV-news veteran.

A mild-mannered college professor discovers a look-alike actor and delves into the other man's private affairs.

When his helicopter goes down during his fourth tour of duty in Afghanistan, Marine Sam Cahill is presumed dead. Back home, brother Tommy steps in to look over Sam’s wife, Grace, and two children. Sam’s surprise homecoming triggers domestic mayhem.