It is the era of Bakumatsu – the last years of the shogunate. In the general turmoil caused by warring groups with different political interests, a curious theatrical group known as the Yuyama Troupe is set out for revenge. They come across a mysterious young swordsman, Akizuki Youjirou, who seems to be burdened with a dark past. Thrown around by currents of history, powerful people from different factions and personal relations, Akizuki tries to fulfill his mission to destroy an ancient, cursed relic, the Lord’s Head, which has caused chaos and bloodshed for thousands of years.