The Mysteries of the Catalog

The missing "20th Century Electrical Catalog" reappears. Yosuke closes in on Kihachi, who doubts whether it's the real catalog, and Inako, who believes it is. Kihachi desperately resists with his homemade inventions, but is defeated by the power of steam, and Inako and the catalog fall into Yosuke's hands. Kihachi sneaks into the Hyakukawa house to find out the truth and learns that Inako is being forced into an unwanted marriage with Yosuke for the sake of the family. Kihachi rescues Inako, who has been locked in the storehouse, but is discovered by Yosuke, who chases after them. Will Kihachi and Inako be able to escape Yosuke, who is after the catalog?