After a heart transplant, the beautiful female ceramic artist Lin Yan (Kelly Lin) finally recovered, but what followed made her feel terrified. Lin Yan's talent for ceramics suddenly disappeared, her skills became worse and worse, and she was often troubled by nightmares at night, and even had symptoms of sleepwalking. All kinds of signs made her suspect that all this suddenness was related to the mysterious heart in her body. She firmly believed that everything she experienced in her dream was not illusory, but came from the owner of the heart, a music teacher named Jiang Beiyan. This strange situation even surprised Lin Yan's attending doctor, Dr. Jiang (Tony Leung). Soon, Lin Yan met Jiang Beiyan's boyfriend, Ma Benke, who claimed to have just returned from studying in the United States. In the big house where Jiang lived before his death, the mystery of the death of this beautiful female teacher was slowly revealed...