The drama behind the making of “Flashdance” is recounted through interviews with lead actors Jennifer Beals and Michael Nouri, as well as screenwriter Joe Eszterhas, who later wrote “Basic Instinct” and “Showgirls.” Also: director Adrian Lyne, who went on to direct “Fatal Attraction” and “Indecent Proposal”; and producer Lynda Obst who later produced “Sleepless in Seattle” and “Contact.”