Follow the exploits of motorcycle racer turned super hero Takuya Yamashiro, as he slings and swings, battling the evil Iron Cross Army along the way.

The Iron Cross Army are sabotaging oil-tankers with the help of their monster, the Sea-Devil, a semi-mechanical anthropomorphic swordfish with an ability to shoot torpedoes from its mouth. Spiderman employs the help of the interpol agent Juzo Mamiya to help him stop the Iron Cross Army.