A multi-layered series that looks back to the formative years of Ryu and also Ken as they live a traditional warrior's life in remote Japan. The boys are, unknowingly, the last experts of the ancient fighting design referred to as "Ansatsuken" (Assassin's Hand). The series follows them as they learn more about the strange past of their master, Goken, and the tragic, dark heritage of the Ansatsuken style. Can their fate be transformed, or will history repeat itself?