In Shanghai in 1939, the Bourne Shadows were everywhere. Gu Shen, an underground member of the Chinese Communist Party, sneaked into the Japanese and puppet telecommunications systems. On the surface, he was an inconspicuous engineer, but in fact he was a sharp knife in the heart of the enemy.
But he has a secret - he has the ability of "ember perception", which can touch the remaining information in the radio waves and hear the signals of the dead.
With this ability, he repeatedly intercepted key intelligence and moved freely in the Japanese army's search net. Until one day, he heard a radio wave that should not exist on a captured Japanese military radio——
