Every night from 0:00 to 4:00 in the morning, the city falls into fatal distortion, and corridors, convenience stores, hospitals, subways, and office buildings become places where rules and strange stories are forbidden.
Lu Yan, who was marked by the night eclipse, joined the secret vigil organization Urban Night Patrol Station in order to find his brother who had been erased from the world.
No system, no superpowers, just memorizing the rules and fighting wits to survive. When the whole city falls into eternal night, he will eventually transform into night itself and guard the daylight of the world alone.
