As the episode starts, Goodchild has perfected a method of copying humans. Determined to put an end to the operation, Æon and a fellow agent, Scaphandra who is a double-agent for Bregna, cross the border into Bregna. Scaphandra has lost parts of her feet during a previous crossing and has had hands transplanted to replace the missing parts of her feet. As Æon rushes towards Trevor's base of operations, Scaphandra is captured and taken to Trevor Goodchild who takes a sample of her for copying. Æon comes in, frees Scaphandra and tackles Trevor about the ethics and inner purposes of his operation. Deliberately presenting an opportunity for Trevor, Æon allows him to take a sample of her though Æon smashes Scaphandra's sample. After Æon leaves, Trevor copies Æon for himself.

It is revealed to be a complex plot by Æon to ...

Trevor has designed a satellite, Aldis B which will help speed up the evolution of humanity but could also kill off half the living population of the Earth. Æon, determined to stop Trevor from using the satellite, steals and buries the remote. Æon, avoiding the search parties, finds a hibernation pod holding a strange alien with removable eyes, psionic abilities. The alien does not breathe, eat or have genitals. The Alien is captured by one of the search parties but saves Æon when one of its captor throws a fire bomb. Trevor examines the Alien and sees signs of exposure to Aldis B.

Trevor heads off to find the alien's ship. The Alien escapes and follows him, finding both Trevor and Æon at the ship. Aldis B has killed off everyone on the ship leaving only the alien who had been awaiting rescue in its pod. Æon and Trevor make love in the ship while the Alien watches. The next day, the Alien finds Æon and offers her one of its own eyes but Æon refuses. Æon offers to show the Alien human sexual pleasure ...