At eleven o'clock in the night, the city fell into a deep sleep, but a coffee shop that was only lit at this time quietly opened its doors. Psychology graduate Shen Mo became the acting store manager of "Mengji" due to an accident. This cafe doesn't charge money, only one thing – a "nightmare" you can't afford. When tired urbanites drink the cup of coffee made based on dreams, they will forget the pain in reality, but those stripped nightmares will turn into entities and breed in the dark side of the city. Until one day, Shen Shen discovered that all his nightmares seemed to point to the same missing person.
