At his castle in Inuyama, Lord lida Sadamu - Tohan a cruel clan leader - looking at his magnificent Nightingale floor. No one was able to pass on it without making the floor is singing. But there is a young man who has a remarkable ability: hearing a very sharp, able to be in two places at once, and able to disappear. He managed to cross the floor without a sound, not only to avenge the death of his family, but also to save the girl he loved. A story in Japan's feudal era of inter-clan warfare, treachery, revenge, loyalty, and also honored with a background of love.