Falcon bekommt ein verspätetes Geburtstagspäckchen von seinem Vater. Zunächst etwas ratlos hält er einen Stein in den Händen. Schon bald versuchen Octo und Pus und die Piratenbande ihm den Stein abzujagen. Auch eine Gruppe von Ninjakämpfern, die zur Tarnung einen Zirkus betreiben machen Jagd auf den Stein. Falcon trifft den jungen Samurai Ryoma. Dieser fordert Falcon zum Duell am Drachenkap.
Edward Falcon receives a gift from his father: a mysterious stone. People are all interested in it, including some pirates! They chase Falcon across the city, and he also runs into a swordsman named Ryoma, who apparently has some knowledge of it. Surrounded, the stone causes Falcon to transform into a super-powered, robot fighter, who defeats the pirates easily. Meanwhile, we see that some ninjas have been watching what Falcon's just done. What could all this mean?
Ao receber uma misteriosa joia de aniversário enviada por seu pai sumido, o jovem lutador Falcon descobre que possui uma lendária Pedra do Poder. Agora, ele precisa cruzar o mundo enfrentando piratas, ninjas disfarçados e guerreiros implacáveis que querem roubar o artefato e usar sua força mística.
