In the Inhabited World they believe: at the beginning of time, the celestial prince Avisma rebelled against the Almighty and was imprisoned in the Underground. That's what they believe. But far in the North, in the port city of Anvarden, the young tramp Dyke, who has lost his memory, has strange dreams. Dreams about the celestial inhabitants of Avisma, who remained on earth and founded the mysterious kingdom of Satru. The delirium of a madman? This is what everyone who knows Dyke thinks, even the doctor Gwendis, who is in love with him. But one day, following his visions, the tramp goes on a long journey - and returns with a precious stone unimaginable beauty, once buried in the ground by the prince of Satra. Who is he? And who gave him the gift of seeing the invisible, remembering what the people of the Inhabited World do not know, cannot know? Gwendis understands that only her healing power will help awaken Dyke’s true self art...