This second half of the original Green Hornet's origin tale continues with a look at how Britt Reid and Kato further develop their crusade against crime, setting up the Hornet's secret hideout and cobbling together the special tools and weapons they will need. In the "present day" of 1938, in an effort to break the brutal grip of mob-boss Skid Caruso on Chicago, the crime-fighting duo stage their own campaign of intimidation, leading all the way to the Mayor's office. Unbeknownst to them, Caruso has called in out-of-town muscle to stop the Hornet's incursions into his territory — the deadly enforcer known as "The Scourge.