In Ancient Japan, a land divided by various warring countries, four extraordinary young women have been bred to fight like men. They are Kunoichi, female Ninjas, who, under the disguise of their feminine beauty, have trained as deadly assassins. The leader of this squad is Sakura, a breathtaking beauty who has mastered the art of sword fighting.
Two families who control separate countries are preparing for war. One of the leaders, Nobunaga Oda, hires the Kunoichi to help defend his realm. But soon he finds himself falling for Sakura... Unhappily married to a woman he cannot leave for fear of destroying the treaties between their two families, Nobunaga finds himself torn between his love for Sakura and his duty to his family. As the battle intensifies he must try to forget the longing of his heart to defeat a fearsome enemy.