An advanced starship searches for the cure to an alien virus that could kill everyone on Earth.

Gideon mediates between Earth miners and the residents of a planet containing a virus-fighting mineral--and a fire-breathing dragon.

Galen persuades Gideon to seek a mystical crossroads. An investigator probes Matheson's mind.

A mysterious sphere prompts Gideon and the others to relive traumatic moments from their past.

Gideon must deport a colony of renegade humans. Dureena finds a lost tribe of her people.

Gideon and Lochley must prevent a doomsday cult from killing everyone at a virus conference.