In the shadows of this modern world, ninjas fight for control of an ancient technique which holds untold strength. This coveted power dwells within apathetic Miharu, a fact the guy really couldn't care less about until the clashing rival clans bring their battle to him. Now Miharu struggles to understand the mystery buried in his soul, and must choose a side if he hopes to survive. But when conflict is waged in secret, and lethal ninjas hide in plain sight, friend and foe prove difficult to tell apart.