After capturing the neighborhood witch in the act of haunting a woodland glade, Campion learns the name of the gang leader who is trying to steal the Gyrth's chalice. Campion is captured and imprisoned in a stable with a murderous horse while the gang readies to assault the Gyrth's stronghold.
Campion attends the funeral of an old schoolmate whom he disliked but months later finds himself investigating the murder of someone who may be the same man.
When the widow of a renowned painter invites Campion to the unveiling of one of his unseen paintings, the detective finds himself investigating the murder of another guest.
