1942, Nanjing. Following a series of assassination attempts on officials of the Japanese-controlled puppet government, the Japanese spy chief gathers a group of suspects in a mansion for questioning, and eventually, torturing. A tense game of "cat and mouse" ensues as the Chinese code-breaker attempts to send out a crucial message while protecting his/her own identity.
as Gu Xiaomeng / 顾晓梦
as Li Ningyu / 李宁玉
as Hihara Tatsukawa / 龙川肥原
as Jin Shenghuo / 金生火
as Wu Zhiguo / 吴志国
as Wang Tianxiang / 王田香
as Bai Xiaonian / 白小年
as Gu Xiaomeng (voice) / 顾晓梦（配音）
as Li Ningyu (voice) / 李宁玉（配音）
