From a first-person perspective, Wei Zhao was reborn and returned to the Anti-Japanese War, transforming into an underground worker with both a keen sense of smell and genius reasoning ability. While solving unsolved cases in enemy-occupied areas and uncovering hidden traitors, he used his identity as an investigator to deliver key intelligence, maneuvering in enemy camps that were murderous every step of the way, using the memory advantage brought by his rebirth to break through every situation and protect the core secrets of underground organizations.
