In the year 1615, a new Shogun rises to power in Japan and strives to bring peace to the realm. In his battle against rebellion he recruits five specialists with extraordinary skills for assassination, sabotage and espionage.
Part of this team is Hayato, an agile Ninja who artfully defeats his enemies one by one from the cover of the shadows. Samurai Mugen fights with more strength. As the tank of the group, he can take on several enemies at once, at the expense of his agility. Aiko the Geisha is a master of camouflage and distraction, trapper Yuki is specialized in traps and deceptions. Takuma, being the eldest of the group, relies on his sniper skills for ranged attacks.