Tao, a ninja from the Iga clan, wakes up in a damp cave surrounded by bodies. Suffering from amnesia, he can’t remember how or even why he’s in there, or if he was the perpetrator of the massacre.

Gordon Anderson (CIA. Ninja. Ninja Hunter) must face his toughest challenge yet when King Ninja steals a top secret formula known as DAK10 that can activate the desire to kill ...