Feiya, a federal colonel who has experienced the horrors of war, disguises herself as Meng Shu, an ordinary young convenience store clerk, and goes undercover in the city. When the Red Moon appears, strange and terrifying entities run rampant through the world via rifts in the Red Moon. While concealing her multiple identities, she joins forces with the superhuman squad of Qingyan Group to investigate the origins of the Red Moon and these entities. As she uncovers a sacrificial conspiracy and confronts the Purification Cult, which seeks to reshape the world, she gradually glimpses the secrets of beings from beyond this realm. With danger closing in at every turn, her companions rally together to fight side by side and protect humanity's fate.