At thirty-five, Shen Haoliang is a respected leader with an enviable life in the eyes of others. He even has Su Xiaorou, a rational and perceptive woman he met through a matchmaking service. But only he knows that whenever he dreams at midnight, the image of his late wife, Lin Shi, haunts him. She even appears in strange dreams about a border-region sacrifice.
At twenty-eight, Lin Muxue joins a new workplace, carrying the memory of her boyfriend, Shen Xinghe, who died in a sacrifice. Yet in her dreams, she keeps experiencing fragmented scenes of a miscarriage and a car accident, as if they were part of another woman's life: Lin Shi's.
Under the spotlight at the year-end performance, Shen Haoliang looks up and sees Lin Muxue. The face identical to his late wife's sends him spiraling out of control. When they first meet backstage, they gaze at each other through tears. One question, “Have we met somewhere before?” tears open a rift between memory and reality...