Sultan Mehmed, poised to march on Rome after expanding his empire from Constantinople to the Balkans, is suddenly confronted by a deadly Papal plot on the Ottoman–Aq Qoyunlu frontier that entangles his sons Bayezid and Mustafa; as the princes are drawn into a trap along the Karasu River, rising tensions threaten to ignite a war between two great states, forcing Mehmed and Uzun Hasan to choose between ambition, anger, and statecraft while the true events at Karasu—and their bloody consequences—hang in the balance.
