The early lives of Martin Luther King, Jr. and Malcolm X shaped the iconic figures. Malcolm's release from prison and King's university graduation start their journeys to change the nation, beginning a rivalry.

Malcolm first encounters the Honorable Elijah Muhammad, head of the Nation of Islam, who mentors Malcolm and recognizes his potential within the organization. However, an old romance and family obligations test Malcolm's commitment.

Malcolm builds a space for Muslims in Harlem, meeting new member Betty Saunders. As romance develops Malcolm confronts police gaining notoriety. Meanwhile Montgomery bus boycott intensifies, causing safety concerns for Martin and family.

Martin King jailed unjustly. Coretta calls on inner strength, pushes forward. Opportunity arises to help Martin, Coretta seizes it despite Daddy King's disapproval.

Martin attempts the March on Washington to force the passage of the Civil Rights Act. Finding the right words to unite the country proves difficult. When the Nation nearly suspends Malcolm, he re-evaluates his relationship with Elijah.

Malcolm exits the Nation of Islam after painful betrayals and continuing deceits. His public dissent strains relations. Passing of Civil Rights Act lifts Martin's spirit before encounter with Malcolm.

Malcolm X makes provisions for family, contacts siblings, and criticizes the Nation of Islam's path. His assassination moves Martin Luther King Jr. to publicly oppose the Vietnam War. Memphis mourns a tragedy.