The Art of Being Straight (2008)

Jon, an aspiring photographer, breaks up with his girlfriend, and moves west to Los Angeles for a new start. He thinks he's got it all figured out. He's young, good looking and has always had a way with the ladies. He meets old acquaintances, Andy and Maddie. Then gets introduced to Maddie's girlfriend, Anna. John takes an entry-level position at an ad agency, but things develop with Paul, a successful executive at the firm, who takes a special interest in John. Eventually they end up together in Paul's bed, and his world turns upside down.