A failed computer programmer, Patrick Murphy, is saved from drowning in the North Atlantic by a dolphin. He awakens from a three-day coma with the mind of a Titanian-an intelligent, warm-blooded being from the subsurface ocean of Saturn's moon, Titan. They see through the eyes of whales. They know a comet is 90 days from impact.
His brother, John, is the astronomer who accidentally intercepted their radio transmission-a signal so powerful the FBI confiscated it as a national security threat. Now, John dreams the same whale-song visions as Patrick. Their shared childhood trauma-their father's death on the Arctic ice, witnessed and mourned by the same
