B.B. King, born Riley B. King, was one of the most influential and celebrated blues musicians of all time. Director Jon Brewer worked on the film with King, and with the cooperation of The B.B. King Museum and Delta Interpretive Center in Indianola, MS, for two years, before King died on May 14, 2015. His story of struggle and triumph is told by the man himself, his family, and fellow musicians.