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.

The zodiac murders cause the lives of Paul Avery, David Toschi and Robert Graysmith to intersect.

In 1960s Wyoming, two men develop a strong emotional and sexual relationship that endures as a lifelong connection complicating their lives as they get married and start families of their own.