When the world was announced by a cold electronic sound that "the battlefield of national destiny has begun", Su Yu, an ordinary sophomore, unexpectedly became the chosen one of the Dragon Kingdom and entered the gloomy Anning Mental Hospital. Behind the rusty iron door, on the dark red blood-stained walls, there are patients with empty eyes wandering around, and deadly murderous intentions are hidden in every corner. The weird rules on the wall, the bloody trap in the basement, the twisted and deformed ultimate monster, layers of crises are coming one after another. He must find a way out among the deadly rules and crack the dust-laden secrets of human experiments. The life and death of the chosen one affects the rise and fall of the national destiny. Hundreds of millions of eyes are focused on the live broadcast room. Can Su Yu tear through the fog of terror and let the Dragon Kingdom take the lead in the battlefield of national destiny? A terrifying game concerning the survival of civilization begins.