This film, directed by Chang Cheh's trusted protégés Luo Mang, Cheng Tianci, and Long Tianxiang, was written by Ni Kuang and filmed in 1982. The story tells of the King of Ninja, Jian Yuan (Chen Huimin), who seeks revenge for the Japanese warriors defeated by Yuan Zeng (Guan Feng), the leader of the Martial Arts Grand Alliance. He leads a large group of ninjas to China and sets up the "Five Evading Arrays" to challenge Yuan Zeng. Yuan Zeng sends eight experts under his command to break the formation, but due to their complete ignorance of ninjutsu, they are all killed. After winning, Jian Yuan is still unsatisfied and sends the female ninja, Chunzi (Chen Peiqian), to infiltrate the Grand Alliance as a mole with the aim of dominating the martial arts world...