In the third century, the Persian Empire was a world power whose influence stretched from China to Europe. The king and his sons maintained peace with a powerful army—until the day a horde of screaming vandals attacked the king.Pursuing a criminal known as the Viper, Prince Rasteem becomes suspicious when the Persian army easily conquers Dodrazeb. Princess Laneffri is desperate to expel the Persian invaders from her kingdom and she will stop at nothing to protect its secrets—especially the Origin Key. Is Dodrazeb hiding the Viper or something even more dangerous? When Rasteem learns what the Origin Key can do, he must find a way to make the princess an ally to save both their kingdoms from annihilation.