The Runners encounter aliens from a much hotter planet who need parts from Rem to bring others of their kind to Earth.

Desert horsemen capture Logan, Jessica and Rem and sentence them to death.

The Runners stop at a house haunted by spirits from another time. Jessica is captured so that one of the spirits can use her as the receptacle for his dead wife's spirit.

Logan loses all memory and is returned to the Domed City for Carousel.

An android conducts dream analysis experiments on Logan and Jessica which can end in their death.

A Sandman is given plastic surgery to appear as one of Jessica's friends in order to persuade Logan and Jessica to return to the City to help other Runners escape to the outside world. 

Scientists try to create a master race through the elimination of emotions.

The trio enters a destroyed city and discovers cryogenically preserved people.

A culture uses a transporter-like device to turn people into twins -- one positive, one negative.

Logan meets a scientist who has travelled through time to the 24th century.

The trio meets an isolated woman who falls for Logan and tries to destroy Jessica.

A hunter who prefers human prey to animal captures Francis, Logan and Jessica.

Invaders capture Logan, Jessica and Rem through the use of illusions.

In the 24th century, survivors of a nuclear war live in a domed city where they are allowed to stay alive only until age 30. "Runners," who refuse to die in the extermination ceremony known as Carousel, are hunted down and killed by enforcers called Sandmen. Logan is a Sandman who's begun to question the system, and he and a woman named Jessica leave the city to look for a mysterious place called Sanctuary. Along the way they meet an android named Rem, who joins them in their quest. The three of them are being pursued by a Sandman named Francis.