Edward Falcon is a would-be fighting champ with a father who left long ago to search for the mysterious and powerful Power Stones. After receiving what his father calls a precious stone, Edward finds himself constantly harassed by ninjas, samurai and others wanting to get their hands on it - even though he doesn't know what it is! Edward soon discovers that he's been entrusted with none other than a Power Stone, and from henceforth he tries his best to keep it safe, while also uncovering its secrets and trying to track down his father.