Zhou Mingyuan, a military agent code-named "Yaksha", received a piece of top-secret information that there was a "weasel" hidden within the Japanese army and was waiting for an opportunity to launch the "Thunder Plan". But just as he was about to meet with his contact, his superior was brutally killed and his identity was exposed. Surrounded at all levels, he had to risk his life to survive among the Japanese invaders, traitors, and underground parties. He used false intelligence to lure the enemy into taking the bait, and used the suspicion between the enemies to disrupt the situation. There is me among the enemies, there is the enemy among me, and the real mole may be around. That night, under the undercurrent, a fishy wind suddenly rose.