Taking the investigation of forensic doctor Li Jia and police officer Shen Duo as the main line, a series of murder cases spanning twenty years are connected in series. The shadow of the old case in the welfare home, the cruel inheritance of the "Bonemaker", and the death code hidden in the music score of "Yu Qin" draw everyone into a thrilling mystery played with bones.
Is the resonance of the bell tower on a full moon night a ritual to end the curse, or the beginning of a new crisis? The silver bracelet glowing red in the shadow has already laid the foundation for the next bone language - every bone here is telling the unfinished truth.
