​Successful Los Angeles football coach John Bookman (Fred Williamson) returns home to Gary, Ind., when his father is murdered. Discovering the town overrun with violent street gangs, John is even more horrified to learn his father was shot by a member of the Rebels, a gang John himself helped form in his youth. John teams up with Jake (Jim Brown) and Laurie (Pam Grier), the parents of a boy who was also killed by a Rebel, to organize their neighborhood against gang violence.