The apocalyptic virus originated from illegal experiments conducted at the Black Nest Laboratory. Su Xiaoman, an elementary school teacher, is attacked and awakens supernatural abilities on the brink of death. She can control zombies and purify the virus using little red flowers. She heads north in search of her brother, Su Xiangbei, who has been transformed into a Zombie King. Along the way, she meets Lu Zheng, a security force captain who has awakened lightning abilities. Together, they lead survivors in fighting the villain Xiao. Her brother originally possessed antibodies, but they were destroyed by drugs. Su Xiaoman risks her life to test and refine an antidote, while Lu Zheng stands by her side through every danger. They expose the mole, destroy the Black Nest Laboratory, and develop a dual-effect antibody, successfully saving her brother.