Madlax - the name of the legendary Mercenary in the cival-war torn country of Gazth-Sonika with a 98% success rate when it comes to missions. Margaret Burton, the sole heir to the Burton family fortune lives a quiet and tranquil life in the country of Nafrece. They are both constantly haunted by their past, and as their fates collide, the truth gradually begins to surface, and there is no telling whether or not it is a truth that they can bear to know...