Cika wannan jumla: Littafin Eichar ne na farko da aka buga. Littafin littafi ne na bincike bisa ga abubuwan da suka faru a
Abun da ya faru a Dyatlov Pass a shekarar 1959. Yana bin sawun wata ƙungiyar masu yawo tara - maza bakwai da mata biyu - waɗanda ke ƙoƙarin isa Grade III a cikin yawo. Wannan matakin ya kasance aikin yau da kullun ne ga masu yawo da ke zaune a Tarayyar Soviet a lokacin. Bayan kafa sansanin, duk masu tafiya tara sun mutu a asirce, tare da yawancin shaidu masu ban mamaki da suka bari.