In 2247, humanity mastered “light-frequency encoding,” a technology that could package information, energy, and even consciousness into light waves of specific frequencies, creating a “Lightnet” spanning the solar system. But the core technology behind the Lightnet is controlled by the monopolistic corporation Radiance Group. Using its technological advantage, the company exploits the resources of the colonies. Meanwhile, an anomalous light wave known as the “Dark Flash” is devouring Lightnet nodes, causing technological shutdowns in numerous locations.