A centuries-old mystery. An “accidental” death. A conspiracy that may end in murder. Former British Special Air Service officer Ben Hope is running for his life. Enlisted by Leigh Llewellyn—the beautiful, world-famous opera star and Ben’s first love—to investigate her brother, Oliver’s, mysterious death, Ben finds himself caught up in a puzzle dating back to the 1700s. At the time of his death, Oliver was working on a new book about Mozart. Though the official report states that Oliver died in a tragic accident, the facts don’t add up. But as Ben and Leigh dig deeper, they find that Oliver’s research reveals that Mozart, a notable Freemason, may have been killed by a shadowy and powerful splinter group of the organization. The only proof lies in a missing letter,...