Fred "The Hammer" Williamson (born March 5, 1938) is an American actor, architect, and former professional American football defensive back who played mainly in the American Football League during the 1960s.
In 1954 Detroit, small-time criminals are hired to steal a document. When their heist goes horribly wrong, their search for who hired them -- and for what purpose - sends them wending through all echelons of the race-torn, rapidly changing city.