The wise old man of Iga visits
Goemon, Ebisumaru, and Omitsu to show off his latest invention, a time machine. But when he uses it to "check out" girls in the future, he is captured by Sister Bismal and forced to work for Jurokube Shishi, leader of the evil Mechanical Gang of Thieves. It's up to Goemon and Ebisumaru to gather allies and travel to the future world of Neo Oedo to defeat Jurokube and rescue the old man!