A female ninja avenges her mother's death.

"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.

"Once they were brothers in the same Golden Circle but their lives followed different paths. There is a ruthless assassin on the police connect a series of violent jewel thefts to him. But, unbeknownst to the police, the thefts are the work of an organised gang dedicated to finding the ancient secrets and power of the Golden Circle.
Their leader was once one of the fabled brothers but, he is now intent on evil, power
and corruption. He must be stopped at all costs" - VHS back of the box description. Hong Kong cut and paste edit of the 1986 Taiwanese Adult film "午夜激情" (Midnight Passion) with new ninja scenes.

Zehn Jahre ist es her, da zog der junge Billy aus dem Elternhaus, um sich den strengen Riten der Ninjas zu unterwerfen und deren über Jahrhunderte entwickelte Kampflehren anzunehmen. Sein großer Meister Gordon verabschiedet ihn und lässt Billy in eine Welt hinaus, die voller Kriminalität, Brutalität und Hass steckt. Kaum zurückgekehrt, wird Billys Mutter ermordet. Als auch noch seine Schwester entführt wird, stehen die Zeichen schlecht für Gerechtigkeit. Gleichzeitig entsteht nämlich ein erbitterter Machtkampf zwischen dem blutrünstigen Ninja "Ivan der Rote" und Meister Gordon, der Billy in Gedanken verbunden ist. Doch werden Gordon und Billy die Oberhand behalten können? In einem packenden Finale kämpft jeder gegen jeden!