Set on the night of February 25, 1964, "One Night in Miami" follows a young, brash Cassius Clay as he emerges from the Miami Beach Convention Center the new Heavyweight Boxing Champion of the World. Against all odds, he defeated Sonny Liston and shocked the sports world. While crowds of people swarm Miami Beach to celebrate the match, Clay - unable to stay on the island because of Jim Crow-era segregation laws - spends the evening at the Hampton House Motel in Miami's African American Overtown...