Following a disastrous trade agreement, Moya is forced to hide inside a hollow world orbiting within a collapsing supergiant star. Inside the planet a society of ocean-dwellers is threatened with extinction. Clan war begins for possession of the only means of escape. Millions of lives are at stake. But Moya is dying and a cure can only be found at the heart of the sun. With their only means of escape blocked by lethal traders, Moya and the crew must race the death of a star to save the life of a world. The journey will take Crichton to the depths of his soul, Rygel to the heights of ecstasy and Moya to the dark side of the sun.