Rokuro YAMADA, a vassal of the Yoshida family, who was expelled from his master's house for having had an immoral relationship with a chamber maid KAJIURA, is disguised himself as a seller of Sakuramochi (rice cake with bean jam wrapped in a preserved cherry leaf) in Mukojima of Togoku (the eastern part of Japan, particularly Kanto region).
吉田家の家臣山田六郎は、腰元梶浦との不義がもとで主家を追放され、東国の向島で桜餅売りに身をやつしている。