sentences:  Tamyra is forced to write a letter (in her own blood) to Bussy, summoning him to an assignation.Tamyra's chaplain, a friar who conveyed messages between the lovers, has died of shock at Tamyra's torture, and Mountsurry assumes his robes to deliver the message.Bussy sees the friar's ghost, and communicates with a conjured spirit that warns him of unfolding disaster; but the disguised Mountsurry arrives with Tamyra's letter.