Colorado Springs, late 1970s. Ron Stallworth, an African American police officer, and Flip Zimmerman, his Jewish colleague, run an undercover operation to infiltrate the Ku Klux Klan.

Salvatore "Sal" Fragione is the Italian owner of a pizzeria in Brooklyn. A neighborhood local, Buggin' Out, becomes upset when he sees that the pizzeria's Wall of Fame exhibits only Italian actors. Buggin' Out believes a pizzeria in a black neighborhood should showcase black actors, but Sal disagrees. The wall becomes a symbol of racism and hate to Buggin' Out and to other people in the neighborhood, and tensions rise.