Inscription on Bone

A genius forensic doctor who has become cold due to the loss of his wife pursues a serial killer who uses surgery to complete a "redemption" ritual based on Dante's "Divine Comedy". However, he discovers that the death of his deceased wife has the same origin as the murderer. He must decipher the bone carving code before the murderer completes the trial of the nine hells and faces the ultimate question of "whether pain leads to redemption."