The tyrannical Lord Danjo Mikoshiba covets the rich, fertile lands surrounding Lake Yakumo. During a memorial ceremony for the late Chigusa lord, Mikoshiba launches an attack, overthrowing the honorable Lord Juro. To spare his people, the Lord Nagoshi orders his men to lay down their arms. But before he dies, Nagoshi tells his foe that he will soon face the wrath of their guardian god, Daimajin, who lives on an island at the center of Lake Yakumo. In retaliation, Mokishiba's forces descend on the island and destroy Daimajin's statue. A rebellion is lead against Mokishiba, but they are captured. Just when all seems lost, Daimjin rises from Lake Yakumo to settle a score of his own.
