A girl and her brother fly to New Guinea to look for a lost expedition, led by her husband, which has vanished in the great jungle.

The Case of the Scorpion's Tail begins with the mysterious death of a millionaire and spirals into the murder of his suddenly rich wife, which draws the attention of a dogged investigator, who follows a trail of blood to the bitter end.

Sinister industrialist Francis Turner, played by John Saxon, creates a cyborg known as Paco Queruak (Daniel Greene) who has been programmed to terminate the leader of an ecological faction that stands in the way of the dystopian country in which the story is set. After failing in his mission to eliminate the ecologist, Paco flees to Arizona where he must face his opponents; and ultimately choose between his humanity and robotic natures. Written by Zach R.

A tourist resort in Africa finds itself at the mercy of a huge man-eating crocodile from a local native legend which the croc is the incarnation of a native god angered by the intrusion of the tourists on its nesting ground. After a new natives are killed and eaten, they naturally blame the tourists and set out to kill them while the survivors try to rally on a boat with the hungry crocodile in the water, and the blood-thirsty natives on land waiting for them.