In search of a probe with information that can save humanity, Stel Caine fails in his attempt to rally the surface and finds himself trapped in the city of Salus, where it is the subject of a careful study. Scientists search in his mind for information in order to locate the domes through which humanity has been able to survive at the bottom of the oceans. But another reason seems to motivate their observations.Captive, and as the war prepares, Stel maintains what has always been his strength: hope. Contains the US episodes: - Low #20-26