The novel by the famous Japanese writer Yasushi Inoue (1907–1991) is dedicated to real events of one of the most striking and dramatic periods of Japanese history. The 16th century is coming to an end. The commander Nobunaga Oda leads the struggle to unite the scattered principalities into a centralized state, he is replaced by Hideyoshi Toyotomi and reaches the pinnacle of power, and after his death it is the turn of Ieyasu Tokugawa, the founder of the new shogun dynasty. In the midst of internecine wars, against the backdrop of burning castles, to the sound of bloody battles, Princess Tyatya, the daughter of Nagamasa Asai and the niece of Nobunaga Oda, grows up and comprehends the concepts of honor and duty. She will become the concubine of the worst enemy of the Asai clan - Taiko Hideyoshi, give birth to an heir, raise a brave warrior and see him off on his last journey on the ruins of the burning Osaka Castle.