The protagonist travels to a spy world set in Shanghai in the 1940s (referring to the framework of "The Pretender"), but becomes a mechanic responsible for maintaining the Japanese military police telegraph machine. He had a sudden idea and used the remaining knowledge of modern artificial intelligence and combined with the telegraph coding rules of the old era to create a unique set of "psychological behavior prediction algorithms." He does not attack or assassinate. He only accurately predicts the next move of Wang Puppet No. 76 And the Japanese army by analyzing battle reports, assassination records, and language patterns in personnel transfer orders.
After his predictions were correct three times, the entire Ming family head had to come to him in person to buy information.
