Dvolykyy svit stoyit′ na porozi znamennoyi Hodyny Zatemnennya. CHto vidkryye shlyach u tayemnychyy Astralis: bilyy drakon syl′vebr chy chornyy drakon aurum? CHto zavolodiye novym svitom: astry chy lunaty? A scho, koly koreni ts′oho protystoyannya syahayut′ ische syvoyi davnyny? Tim Knyazyev, Selestyna Svyatova y Aleks Volkov shukayut′ vlasne mistse u dvolykomu sviti v tsi nespokiyni chasy. Vony vidchuvayut′, scho nasuvayet′sya myt′, koly dovedet′sya, ryzyknuvshy vsim, zrobyty krok u Bezmezhzhya... I scho chekaye tam, za Velykoyu Mezheyu, — zhyttya chy smert′?