Royal
Count of Montsurry’s home. Multiroomed mansion with secret passageways, and, near the countess’s bedchamber, a secret vault. On stage, the main action occurs in or near the vault. There a friar and Bussy d’Ambois enter secretly at the lady’s request; d’Ambois beds Tamyra, the count of Montsurry’s wife; Montsurry sets a trap for d’Ambois and kills him. Montsurry’s house contains a room filled with instruments of torture, including a rack on which Montsurry has his faithless wife stretched.