The search of several young, white men for blues singers who have been missing for decades coincides with the Civil Rights Movement in Mississippi in the 1960s.

Captured across two nights at Madison Square Garden, the Crossroads Guitar Festival offers a variety of legendary guitarists performing a mix of sultry blues, classic rock and country jams.

In 1950s Alabama, the owner of the Honeydripper juke joint finds his business dropping off and against his better judgment, hires a young electric guitarist in a last ditch effort…