In 1942 Nanjing, a Japanese spy chief interrogates a group of suspects accused of targeting officials of the Japanese-controlled puppet government. As the Chinese code-breaker tries to send a vital message, they must also conceal their own identity amidst a game of cat and mouse.
The Message
The Japanese spy chief assembles a group of suspects in a mansion house for questioning after a series of assassination attempts on officials of the Japanese-controlled puppet government in 1942 Nanjing.