Courier Jiang Zhou witnessed the mysterious death of a customer on a rainy night, and a countdown number suddenly appeared in his right eye. Whenever the number reaches zero, he will return to the rainy alley before the murder. As the 13th cycle begins, the Nuo opera mask that has disappeared for twenty years reappears on the face of the deceased, and the bronze sundial in the dark room of the family ancestral hall points to the erased truth. When the countdown is forever in his eyes, he must uncover the 1983 archaeological accident that his grandfather participated in in the time rift, and prevent the Twelve Demons of Nuo from completely eroding the dimension of reality.
