In the future world, due to the medical research of the Yuan people, zombies are rampant. In order to save people, the leader of the special agent team was besieged and killed by zombies, thus traveling back to the eldest lady of the Qin Gang during the Republic of China. The Qin Gang was destroyed precisely because of the massacre by the Yuan people.The protagonist Qin Wanyu took advantage of the situation and continued the original owner's revenge plan while secretly pursuing the Yuan Kingdom's medical research plan to prevent the future evolution of the apocalypse. During the mission, he had many head-to-head confrontations with the male protagonist Lu Tingchen, and the two were also at odds with each other.Trusting each other, they reached a unanimous goal through constant testing, and gradually discovered the Yuan Kingdom's conspiracy in the Chinese land through mutual use and mutual help.