In the Dark

«Cracking another country's cipher is an undercover fight to the death...»
Hidden deep in the mountains, the recruits at «Unit 701», China's secret services, operate in a dark, shadowy world. There is the «wind-listener», a blind surveillance officer who can hear sounds from miles away. The beautiful, unstable maths genius who meets a violent end. The old man who deciphers codes in his dreams. The spy who recounts a dangerous mission from beyond the grave.
In this story of conspiracies, genius