September AD 81. Returning from Ephesus to Rome, Flavia and her friends learn of the mysterious and sudden death of the Emperor Titus. Was his death natural? Or was it murder? As the four detectives investigate this mystery, they little dream how much their lives - as well as the future of Italia - will be changed as a result. At last, many of the questions Roman Mysteries fans have been burning to have answered are revealed in the final book of the series.