Decoded 2024 film Review: Get ready to unravel the secrets behind ‘Decoded,’ the 2024 war drama that’s taking the thriller genre by storm! Directed by Sicheng Chen, this gripping film dives deep into the world of codebreaking during the tumultuous 1940s, following the story of Rong Jinzhen—a mathematical genius whose talents thrust him into a dangerous game of espionage.