Scotty Bowers provided sexual partners for Hollywood's rich and famous he claims included Cary Grant, Randolph Scott, Ava Gardner, the Duke and Duchess of Windsor, Katharine Hepburn, and Spencer Tracy for years. The Matt Tyrnauer-directed documentary, 'Scotty and the Secret History of Hollywood,' is a fascinating and undeniably irresistible look into that world. Entertaining as it is, the movie leaves its its documentary subject's surface mostly unscratched - not fully written.