In Nihonbashi, a fire broke out in the Kodenma-cho prison, and the prisoners were released. With the proviso that if the prisoner does not return within three days, or if he leaves Edo Prefecture, he will be sentenced to death. Prisoner Yakichi went to Matsumoto to see his mother, who was in critical condition. However, Yoriki Matsukura tries to catch Yakichi and bring him to execution.