Seals of Heaven is a historical mystery novel with the writing style similar to that of The Da Vinci Code. Zhou Hao, a graduate student majoring in history, was invited by his mentor Ding Jingzhi to attend a cocktail party hosted by a Japanese Otani Yuzi. Unexpectedly, Ding was murdered at home that night after receiving a set of strange signs. In Zhou’s investigation of the cause of Ding’s death, he constantly received hints and reminders through strange mails as well as assistance from National Security Department. Mysterious guys emerged incessantly and bizarre deaths took place one after another. In the meanwhile, major historical mysteries presented themselves massively before their eyes. How could Zhou escape the killings, solving the centuries-old mysteries and guarding the national treasures?