Japan in the 1500's, the power of the samurai class is fading and the use of the Ninja has become necessary to hold any political power in this chaotic time. Kurenai a young girl who’s world is destroyed when she and her father are attacked by the deadly Black Lizard Clan, who captures her and brutally hangs her by a wire and left to die. Miraculously, she survives and is rescued and adopted into a clan where she obtains complete mastery of her unique weapon, the wire. Kurenai has pledged her undying loyalty to her new family. She now lives to avenge her father’s death and will go to any means necessary to destroy the Black Lizard Clan.