It begins with a secret organization of hi-tech ninja-like operatives known as the "Striders",who specialize various kinds of wetworks such as smuggling,kidnapping,demolitions,& disruption.
Hiryu,the youngest ever elite-class Strider in the organization. Hiryu summoned by the organization. Hiryu is summoned by the organization's second-in-command,Vice Director Matic,to assassinate his friend,Kain,who has been captured by hostile forces & has become a liability to the Striders. Instead of killing him,Hiryu decides to rescue Kain from his captors; He is successful,& also recovers a recording from Kain concerning a suspected criminal plot.
With the help of his fellow Strider Sheena,Hiryu uncovers a conspiracy between certain faction of the Strider organization & an unknown organization known as the Enterprise(headed by a man named Faceas Clay) which involves the development of a mind-control weapon codenamed "Zain". In the course of finding & destroying these Zain units, Hiryu learns that the faction of conspirators is headed by Vice Director Matic himself.
Hiryu tracks down Matic to an orbiting space station where the two Striders face off;after a brief battle Hiryu bests Matic,killing him. Afterwards Hiryu locates & destroys the last of the Zain unit,Mother Zain. Hiryu walks away from the destruction.
