In Battle of Red Cliffs, Cao Cao sent Cai Mao and Zhang Yun to surrender to Wu Ying, but Zhou Yu knew that these two men were spies, but now Zhou Yu wants to play along. Battle of Red Cliffs, Wu Jun and Cao Jun fought for a long time. At this time, your strength is still stronger than Wu Jun's. If Wu Jun really wants to win, he needs some skills. So when Zhou Yu saw Cai Mao and Zhang Yun pretending to surrender, he had a plan, so he played a bitter plan with Huang Gai.
Zhou Yu first pretended to disagree with Huang Gai at the military meeting in Wujun, and then confronted Huang Gai. Huang Gai also pretended to attack Zhou Yu's words, showing dissatisfaction with Zhou Yu everywhere. Finally, Zhou Yu pretended to ask Huang Gai. Under the persuasion of Wu Ying, Zhou Yu reluctantly released Huang Gai, but he punished and flogged him. Huang Gai was beaten to pieces. Of course, these were all for Cai Taizu and Zhang Yun. Seeing that Huang Gai was punished by Zhou Yu, they began to lobby Huang Gai against Dongwu. Huang Gai waited for them to lobby himself, so Huang Gai offered a fake surrender to Cao Cao. Later, Huang Gai revealed false news to Cao Jun through Zhang Yun and Cai Mao. Cao Cao was convinced that Battle of Red Cliffs was defeated.
The genius of Zhou Yu and Huang Gai's bitter plan is that they used Cai Mao and Zhang Yun, two people who pretended to surrender, so Cao Cao, who was suspicious at that time, believed in Huang Gai's false surrender. Therefore, it will be said that Zhou Yu hit Huang Gai, and one is willing to fight and one is willing to suffer.