After a successful baseball career in college and as a coach in the military, Jackie Robinson (playing himself) attracts the attention of Major League Baseball's Branch Rickey (Minor Watson). Rickey wants Robinson to play in the minor leagues, believing he can become the first player to break the color barrier and play in the majors. The only catch: He is forbidden from defending himself against racial bigotry. Supported by his wife (Ruby Dee), Robinson is steadfast in his determination to win.