In order to find a legendary treasure map, mercenary Louve of Mei Solis must infiltrate his enemy's fortress under the guise of a servant. There, Louve meets beautiful maiden Biedeluue, a fellow servant with her own hidden agenda - to save her sister from the malevolent lord's clutches! Their high-stakes missions may be at odds with one another, but their attraction cannot be denied even in this most dangerous of situations...