Earth is dying, Mars is a wasteland, and humanity clings to small pockets of space-born air and water like anthills in an ocean. Bleak? Sure. But life goes on.
A modest family cargo ship, the Grimalkin, trades between the last islands of humanity, doing its best to survive. The Grimalkin's crew are survivors: hard, gritty, no-nonsense people who have seen the worst, fought through it, and won. Or, at least, most of them are...