Chef Wang Wangwang is diagnosed with severe delusional disorder after claiming he can see demons and monsters with his eyes closed—and is admitted to No. 2 Psychiatric Hospital. But he soon discovers that closing his eyes plunges him into a perilous hallucinatory realm, where he joins forces with fellow patients Qi Qi and Da Zhuang—self-proclaimed “Saviors”—to slay demons and defend the boundary between reality and nightmare.