A Tragic Song on a Wronged Flute

Su Wanqing, a dizi major at a music conservatory, receives a bone flute from the Republican era, with the character "Shen" carved into it.

Late at night, when no one else is in the dormitory, the bone flute suddenly plays on its own, sounding out the mournful Song of the Seventy-Seven. In the mirror, she sees the back of a woman wearing a qipao.

Following the flute's directions, she witnesses a murder at an old house in the French Concession.

But the next day's news makes no mention of it.

In an old newspaper buried in the library archives, she discovers that in 1943, at that very location, the famous songstress Shen Bijun was force-fed cement by her wealthy husband while still alive, turning her into a "human pillar."

Night after night, the flute weeps blood, and the woman's face in the mirror grows clearer.

When Su Wanqing finally recognizes her own face, the sound of cement cracking comes from the basement of the old house...