Set in 1962, Green Book tells the tale of an interesting friendship between an Italian nightclub bouncer, Tony Vallelonga (Viggo Mortensen) and an African American pianist, Dr. Don Shirley (Mahershala Ali). Dr. Shirley hires Tony to chauffeur him during a record tour set in the Deep South. As the two men travel, an unlikely friendship forms which leads to changes in Tony’s understanding and treatment of African Americans.