The year is 1582 and the ruler of Japan, Nobunaga, has been brutally murdered leaving the country in political chaos. Master thief Goemon, whose loyalties lay with Nobunaga, has risen as a hero figure. His latest haul is a small wooden box which he believes to be worthless. He soon learns however that the box has hidden powers, as is sought by Japan's most powerful and deadly warlords. With such prize at stake, Goemon must return to do battle with Japan's most skilled and deadly ninja's as they seek the box and the power it holds.