Spy War: Traveling Through 1938, I Became the Military Commander

Modern detective Shen Yan traveled to Shanghai in 1938 and became a military agent. The action team was betrayed by an insider, the Japanese army was chasing him step by step, and his own people were also suspicious of him. With a modern mobile phone that can see through walls, he detects evil spirits, seizes intelligence, saves his compatriots, and secretly supports the anti-Japanese front line.