The Emperor goes to war

At the very end of 1370, Pope Urban V dies in Avignon under unclear circumstances. and in the spring of the following year, Emperor Charles IV fell seriously ill at Karlštejn. Those closest to him are already seriously concerned for his life. Dominican Paul believes that the two cases are related and are the work of an unknown poisoner. But before he can complete his search, Ota Brandenburg of the House of Wittelsbach takes advantage of the situation and intends to deprive the deathly ill emperor of his imperial throne. And the Dominican Paul, this medieval James Bond, has to save what he can in his old age...