Tinker Tailor Soldier Sp (2011) is a slow-burning drama set in the 1970s, following a retired intelligence expert who is quietly brought back to uncover a hidden betrayal within his organization. As he digs deeper, careful observation and quiet strategy become his tools in navigating a world built on secrecy and trust. With its rich atmosphere, subtle storytelling, and strong performances, the film explores loyalty, identity, and the cost of secrets.