Trapped behind walls of towering ice, First City was a prison from which no one ever escaped. The Trysts ruled with an iron fist: violent death was a common sight on the streets.

Morag MacKenzie was a mind-prostitute who gave erotic thought stimulation, without giving her body. Those who yearned for other escapes visited the Timesmiths, within those hands time could be moulded like clay as they spun dream-visions. But morag has her own dreams, of a world outside the ice walls, a world of space and freedom, and she is determined to find it.