Plot: Lan, a detective fiction author couldn’t bear the pain due to her husband’s betrayal and decided to leave home and moved to an rented apartment in an old building with her 5 year-old son, Bi. Among her neighbors, there was Thao, who’s living with her husband and their stubborn teenage daughter, Ngoc and Vu – an amateur musician.
The trauma caused by her husband’s betrayal affected Lan badly and resulted in many nightmares. She consulted a therapist and was put on a medication. One day, Bi was given a music box by Mrs. Chu, the building supervisor, and since then, the nightmares became more rapid.
Lan and her neighbor Vu attempted to solve the mysteries happening in the building, and realized that the strange happenings originate from the music box… Who is the true owner of the music box? Could it be a malicious spirit seeking revenge or otherwise?