Light is currency, light is big business on Gliese 581g. Severum Rivenshear makes a living hunting those who steal it in the form of fireflies, just to have enough light to live by. He works in the icy, perpetually dark hemisphere of Evig Natt where the sun is nothing more than an absent deity. The rest of the world pursues every pleasure beneath a sun that never sleeps.
A feminist organization called O.A.K. attempts to increase planetary rotation to bring light and equality to everyone, rich and poor alike. They are led by three women calling themselves the Orchestrator, The Architect, and the Kontractor. Their actions threaten to cause hurricanes, earthquakes, and tsunamis and to topple the economy that's necessary to support the wars between the hemispheres.
