This is the first DVD ever on Iga Ryu Ninjitsu.  Sensei Juan Hombre transmits the teachings of the Grand Master and heir, to Iga Ryu - Jinichi Kawakami, regarding unarmed combat known as Atemi Taikenjitsu, a prelude to Atemi Goroshi - The Secret Art of Ninja Combat.  This system is characterized by an instinctive and intensive series of blows, focusing the final shot on vital points, whose purpose is the surprise defeat of the aggresor, preventing him from overcoming an attack.  The main purpose of this Art is survival, which made - the warriors of the shadows - famous for their invincibility.