In the apocalypse, relentless blizzards ravage the world as bizarre supernatural phenomena descend. Shen Lei voluntarily joins the 204 Suicide Squad, a unit with an extremely high mortality rate. The team repeatedly finds itself trapped in a blood-soaked former school filled with deadly rules, and an iron fortress where monsters steal the memories of the dead. When conventional weapons prove useless, Shen Lei relies on the mysterious Whispers of the Dead inside his mind to repeatedly identify the deadly traps fabricated by these sinister entities with pinpoint accuracy. This is a battle between absolute composure and the rules of supernatural horror. Watch as Shen Lei exploits loopholes in the rules, works seamlessly with his comrades, tears away disguises in desperate situations, and turns the tables on higher-dimensional monsters, ultimately fighting his way through the apocalyptic fog!