In order to avoid family marriage, independent photographer Su Qing rented a duplex apartment owned by architect Gu Chen anonymously. Two souls imprisoned by past love, they are attracted to each other but constantly misunderstand each other day and night: the mysterious pill box on a rainy night, the old photos developed in the darkroom, the suspicion caused by the accident at the construction site... When the family pressure, the ex disrupts the situation, and the career crisis ensues, the truth spanning seven years gradually emerges...
