Failed on the planet Glèbe, wanted by the Purpres, Granite, Narvarth and Danaëlle find themselves trapped in the castle where they found refuge by the Makis, a people of savage warriors. But they do not forget their objective: to seize a purple ship to leave the planet. On the other side of the universe, the loyalist forces of the federation are tracked by the mercenaries of Callista enslaved by the monstrous Sarkh'un. But a small unbearable genius has found a way to shelter the fleet and Glèbe will become the ground for a strange encounter.