In the 1940s, the world was in turmoil, and it was crucial to decipher the enemy's communication codes in a timely and accurate manner. Rong Jinzhen has shown amazing mathematical talent since her childhood, and because she solved the problems assigned by her math teacher, she was noticed by more people, and even walked into the door of code-breaking by mistake.
Acting
Liu Haoran's fragile intensity breaks your heart
Cinematography
Dream sequences that bleed reality into nightmare
Direction
Chen Sicheng finally gets serious after 'Detective Chinatown'
Director
Chen Sicheng
Trivia, insights & behind the scenes
Based on Mai Jia's novel, one of China's most celebrated spy fiction authors. The story draws from real Unit 701 cryptographers whose identities remain classified even today.
Chen Sicheng cast himself as the narrator 'I'—a meta choice suggesting even the filmmaker is complicit in extracting Rong's story for entertainment.
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