Movie
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.
Where to Watch
No streaming or digital rental offers currently listed in US. Switch region above to check other catalogs.
Availability data provided by JustWatch via TMDB
Billed Cast
Liu Haoran
容金珍
John Cusack
希伊斯
Chen Daoming
郑某
Daniel Wu
小黎黎（容小来）
Yu Feihong
叶筱凝（容太太）
Chen Sicheng
我
Ren Luyao
翟莉（小梅）
Chen Yusi
容必瑜
Wang Yutian
瓦西里
Zhou You
严实
Zhu Zhu
范丽丽（希太太）
Cao Cuifen
老年容必瑜
Spoiler-Safe Screening Room
Premiere Discussions & Theories 0
Share reactions, easter eggs, and fan theories with automatic click-to-reveal spoiler shields.
Join the Screening Room
Sign in to post episode reactions, fan theories, and upvote community dispatches.
Loading discussion thread...
Audience Ledger
Community Micro-Reviews
Concise 1-sentence dispatches from DidItDrop members.
No micro-reviews yet — rate 1–4★ above and log the first 1-sentence take.
Double Feature
More Like This
Recommended titles paired with Decoded.
