[Order accepted: Deliver blood curd soup to the Midnight Mahjong Parlor. Recipient: Shadowless Guest. Rules: Blue banknotes only. Do not listen for a winning call!]
Workaholic delivery rider Lin Ye accidentally downloads a sinister delivery app. From then on, his delivery list gets downright eerie: incense and candles for the mirror in Room 704 of an old apartment building, a charm for the spirits in an abandoned factory... Every delivery forces him to test the limits of countless deadly rules! When he discovers that these rules correspond one by one to the city's forgotten, bloody history, an even greater conspiracy comes to light.
The “Observers,” watching from the sidelines, and the “Cleaners,” sworn to wipe everything out...
After absorbing countless lingering obsessions from history, Lin Ye finds himself becoming something half human and half ghost! Will he become a vessel to purify the world, or the night watchman who protects its scars? Lin Ye grips the handlebars of his electric scooter. “Quit pestering me about the order. What I'm delivering is history!” [Apocalyptic Mystery + Rule-Based Horror + Historical Redemption] A deadly delivery through a modern city and the wounds of its past is now on its way!