Valley of the Wolves: Gladio (Turkish: Kurtlar Vadisi: Gladio) is a 2009 Turkish action film directed by Sadullah Şentürk. It follows the retired security intelligence agent İskender Büyük, as he decides to strike back against his one-time employers by revealing all he knows about Gladio. The film, which went on nationwide general release across Turkey on November 20, 2009 (2009-11-20), was the fifth highest grossing Turkish film of 2009. It is part of the Valley of the Wolves media franchise, based on the Turkish television series of the same name, along with Valley of the Wolves: Iraq (2006) and Valley of the Wolves: Palestine (2010).