In Japan of the 16th century, a general and samurai by the name of Saito Dousan decides to offer his daughter Kicho in marriage to the son of the shogun, Oda Nobunaga. But one of Dousan’s vassals, Akechi Mitsuhide, secretly loves Kicho.

In order to remain by her side, he disguises himself as “Mitsu,” a female handmaid to always accompany Kicho wherever she goes. In return for allowing this, Dousan orders Mitsuhide to double as a spy. However, on the way to Owari, they’re toyed with on the young Nobunaga’s whim...where Mitsuhide unwittingly captures the heart of Nobunaga! And yet, there’s an even greater secret that Mitsuhide is trying to guard...