For Vince, Eric, Drama and Turtle, life in Hollywood's fast lane can be an intoxicating ride. In fact, Eric and Vince have taken on risky new roles--as producers--in Season Four of HBO's hit comedy. After making financial sacrifices to become producers of 'Medellin,' Eric and Vince approach the only director who can make the film on a shoestring budget: auteur Billy Walsh. But will Billy's on-set antics and artistic insecurities make them critical darlings...or will they be booed out of theaters?