Soglasno starinnoi legende kasacky ataman Stepan Rasin wladel tchudesnim wiresannim is slonowoi kosti gorodom s wosmiugolnim hramom na holme. Etot artefakt delal atamana absolutno neuaswimim. Posle gibeli Rasina on dostalsa yego potomkam i mnogo let peredawalsa po nasledstwu… Metchtaa uwidet malenky prekrasny gorod, professor Speransky ne w silah otprawitsa na yego poiski, tak kak star i taghelo bolen. Poetomu pered smertyu on rasskasiwayet ob artefakte swoyei utchenice Wete, kotoroi i predstoit reshit, hotchet li ona wpustit w swou ghisn uwlekatelnoye i opasnoye priklutcheniye…