While on vacation in Australia, the GUARDIAN OF THE REPUBLIC sees a flying saucer invade a secret Australian army base. With the providential help of two stalwarts heroines, the American PHENIX and the Australian SOUTHERN CROSS, he rushes to the rescue, only to discover a new and deadly foe, the fearsome KUDLEY KOALA... The strange creature has enslaved the minds of super-powered champions from four other nations to serve his evil ends... They are YANKEE FIGHTER from the U.S., BIG BAD BEN from the U.K., HAZEL TOFF from Israel and TOVARITCH HAMMER & COMRADE SICKLE from the former USSR, together known as... THE SUPER-PATRIOTS. And behind it all loom the sinister schemes of the ASTRA PROJECT, upon which the future of our hero depends...