The Abbot of a Taoist Monastery is dead after delivering an ecstatic sermon. The monks call it a supernatural experience, but the judge calls it murder. Recalling the allegedly accidental deaths of three young women in the same monastery, Judge Dee seeks clues in the eyes of a cat to solve cases of impersonation and murder. A painting by one of the victims reveals the truth about the killings, propelling the judge on a quest for justice and revenge.