"In the borderlands of a wartorn country, a highly lucrative emerald mine becomes the object of unending dispute. Two Ninjas, Byron and Michael were the best of friends while they fought side by side in the Green Berets. However, in the years that have separated them, they have both become the leaders of rival gangs. Now the two face each other in a final battle of brilliant Ninja combat for control of the mine." - VHS Back of the box description. Hong Kong cut and paste edit of the 1983 Thai Film "มรกตดำ" (Black Emerald) with new ninja scenes.

Fighting from the air or in the deepest jungle, the enemy must be crushed. A group of deadly American commandos led by Colonel Cobra during the Japanese occupation of the Philippine's in World War II. Some of the locals are collaborating with the enemy, so the Americans must tackle rebels, suicide attacks and booby traps as they carve their path through the jungle in search of the Japanese.

"Gordon (Richard Harrison), the great ninja master faces the most desperate challenge of his life when he and his intrepid ally David, must answer to ninja law and do battle with a brutal horde of evil ninjas in order to foil an assassination plot. Led by the depraved criminal mastermind Stuart, an army of sadistic purple ninjas em-barks on a bloody killing spree in a campaign to seize control of the entire nation. As part of his heinous scheme, Stuart plans to assassinate a senator and replace him with a figurehead who will establish a base of oper-ations for the seductive and deadly beauty known as "Miss Littleton". The tension mounts to the breaking point as Gordon and David put their lives on the line to end the reign of terror!" - VHS Back of the box description. A Hong Kong cut and paste edit of the 1982 Thai film "จ้าวนรก" (Lord of Hell/Fire Chief) with new scenes with ninjas.