Thunder in the Shadows: 1937

Shanghai, 1937. The protagonist goes undercover as the manager of a trading company, but secretly commands the Japanese army’s highest-level cipher system. He builds a “Ghost Intelligence Network,” turning the information he decrypts into precise decapitation strikes. Every successful decryption is followed by the mysterious death of a high-ranking Japanese officer. Suspicion and paranoia spread through the Japanese ranks, unleashing a bloody purge, while the protagonist watches from the shadows as his enemies slaughter one another.