While traveling along a mountain path in search of a demon, Dororo and Hyakkimaru encounter a young man named Dice-spot Saburota. The man says that he too is hunting the demon, and they set off to exterminate it together.

Daigo's castle is engulfed in flames. Within, two brothers by blood are at the mercy of fate. Dororo, Jukai and Lady Nui also head for the castle, each with their own thoughts weighing down upon their hearts. For a life that began with a silenced cry, where will the path of destiny lead?