He Ning (played by Deric Wan), a psychologist with a tired face, returned home and strangely received a mysterious package containing an exquisite Pisces jade pendant. He then received a call and followed the other party's instructions to come to the dilapidated and uninhabited room 702. It turned out that Li Zeshang (played by Yang Xinrui), a female patient with depression who was in charge of him, hanged herself in the room. The police who arrived later arrested He Ning on the spot. His friend Ling Zhijie (played by Huang Zheng), who was a criminal policeman, questioned him. He Ning was forced to recall all kinds of incredible events that had happened in the past few days. After routine treatment for Li Zeshang, the receptionist handed him a jade pendant. It happened to be his wife Dong Xinjie's (played by Yu Silu) birthday. He Ning went home with a gift after get off work. On the night that was originally a night of love, his wife jumped off the building and disappeared in front of him. The originally peaceful life fell into chaos. How should He Ning find his life again...