Where to Watch Industrial Spy Free-for-All (1967)

Saburo Sarutobi, a former member of the Zengakuren, and Maruo Inumaruo, a former member of the police force, have joined two rival companies, Toyotomi Denki and Tokugawa Musen, respectively, and have been at each other's throats at every turn. They are engaged in a nightly industrial espionage war in an attempt to somehow get under each other's noses, but eventually they both find themselves targeted by an international industrial espionage ring...