A young beautiful woman goes undercover into a wealthy powerful crime family to investigate and avenge her younger sister's tragic death.
Cut-and-paste transformation of Taiwanese movie "The Anger" a.k.a. "Shi Jie" (original title; 1982) directed by Richard Chen Yao-Chi with new Hong Kong footage.

"Gordon bids goodbye to his squad of army recruits, David, Kirk, Benny and Chester. They've became best friends and they leave with the promise to stay in touch. However, they all get involved in the gambling triad run by Raymond, Russel and Ringo. When Chester's mother is murdered and sister kidnapped, he seeks revenge. " - VHS Back of the box description. Hong Kong cut and paste edit of the 1978 Thai film "ข้ามาจากเมืองนคร" (I am from Nakhon City) with new ninja scenes.

"Cut-and-paste" transformation of Taiwanese movie "Tian Zhuang A Ge" (1983; directed by Chu Yen-Ping and Chao Chen-kuo\) with new Hong Kong footage. A ruthless gang of Ninja marauders, a kidnapped maiden and a young man seeking vengeance set the stage for "The Ninja Showdown." Warlord boss Jing and his evil band of Purple Ninjas are unstoppable highly trained assassins who ravage a peaceful town. But when the outlaw Ninjas abduct his girl, a wrathful Tony unleashes a furious assault with the help of Ninja Master Gordon. Together, these two men lay waste to Jing's army in a shattering battle to secure their honor and rescue the town from the clutches of a greedy and oppressive tyrant.

"In a struggle for supremacy, two childhood buddies are caught on opposite sides of a deadly gang war. Their capture and subsequent release by the police sparks off another confrontation between the notorious Red Ninjas and the Golden Ninja Empire" - Back of the box VHS Description Hong Kong cut and paste edit of the 1986 Taiwanese Film "還鄉 " (The Return) with new ninja scenes.

Tanaka, a scientist with a past, is unable to face the sight of the atrocities he committed as a germ-war researcher during WWII. Martin, miraculously returns from the dead, recruits an ace but evil Ninja, Simon, to retrieve Tanaka and the formula. Lung, a master of a lost art joins the battle and goes head-on with Simon. The Japanese samurai and the Chinese martial arts finally encounter. battle between Ninjitsu finally starts. At the same time, Tanaka takes the plunge. In a burnt laboratory, he uses the golden horn to locate the germ formula. Despite the heroics, Tanaka's gang is pursued once again by Martin, Daniel and Simon. Tanaka finally gets the formula but it is shot from his hand again. The ghostly image floods Tanaka's mind and he is left laughing in an insane heap.

"A hostile warrior just released from prison is hell bent on killing the missionary priest who put him behind bars. He is relentless in his pursuit of the good priest. Meanwhile, the priest teams up with another pure spirited Ninja while on a mission to capture the leader of a gang of thieves terrorizing the local area. This duo is determined to rid the northern continent of all evil Ninja Warriors. The fighting is ferocious as the priest is killed, causing his brother to enter the scene to avenge his death. Both the opposing forces do battle to the grueling end!" - VHS Back of the box description Hong Kong cut and paste edit of the 1974 Taiwanese film "大地龍種 " (Fury in Storm) with new ninja scenes.

"Raymond's father, the long-time leader of the Scorpions, plans on "retiring" and turning over the business to his young son an innocent newcomer to the crime business. The leaders of other gangs discover these plans and eliminate the leader of the Scorpions causing his son to flee for his life. Meanwhile, the turf is taken over by Dragon, the Big Boss, who plots to eliminate the other gang leaders-one by one. But Raymond must return to the village to avenge the death of his father and fight for control. Who will become the new leader of the village? A combination of action, adventure and intrigue to the brutal end!" - VHS Back of the box description. Hong Kong cut and paste edit of the 1986 Korean Film "오사까대부 " (Osaka Godfather/Big Brother In Osaka) with new ninja scenes.