Grizzled ex-general Kaspar von Velten finds himself unprepared for his duties as the new ambassador to the court of Tsarina Katarin, the dangerous and unpredictable Ice Queen of Kislev. Not ready for the power struggles and politics, Kaspar is soon using his battlefield experience to cajole, influence, and get his way. But when a member of the Tsarina's family is murdered in Kaspar's homeland, relationships become strained to the point of war. Can Kaspar unravel the mystery and stop the impending conflict?