The Chronicles of X takes place during the time of Aeon Power, an energy source that allows travel across the entire universe. Due to this power, all is known and all things have been seen. The most powerful of this age, the Prime Humans, rule over thousands of planets and have created a time of uneasy peace. Through this period came a rise in criminals known as Galactic Runners and an increase in black market activity. Enter X, the Intergalactic Thief and his journey to become the most infamous Runner of them all.