In which a mysterious grey horse with nutmeg markings haunts the races and riders at Ghoriah, casting a shadow of superstition and suspicion over the once-trusty mare Thurinda, leading to ill-fated encounters and uneasy reckonings among the sporting fraternity. Meanwhile, amidst the folly and intrigue of the Simla Season, the social dance of alliances and betrayals unfolds under the shrewd gaze of Mrs. Hauksbee, with reputations entwined like figures in a well-played game.