Ntchitoyi ndi yokhazikika pa zochitika zenizeni zomwe zidachitika mu 1959 kumapiri a Urals. Gulu la ophunzira motsogozedwa ndi a Dyamlov (Wophunzira wa chaka chachisanu) adapita kukachita nawo. Anthu asanu ndi anayi adafa ndi zochitika mosazindikira. Zomwe zimayambitsa ngozi sizikhalabe osavomerezeka. Zotsatira za kafukufukuyo zinazindikira kuti machiheba awo, akuphwanya hema wawo mkatimo, nkusiya nsapato ndipo wopanda iwe kunja kwa chimfine. Panalibe vuto, koma nsembe ziwiri zinamwalira ndi chimbudzi, alendo enanso analibe chilankhulo. Nthawi yomweyo, zovala za akufa zinali ndi ma radiation kwambiri.
Ofufuza a Soviet adazindikira kuti oyambitsa imfa ya achinyamata anali "gulu losadziwika losadziwika."
Chithunzicho chidzakhala chosungira choyamba cha buku la Barcker. M'bungwe lake lasayansi ndi lotchuka. Wolemba amagwira ntchito pazowopsa zomwe zimakhudzana ndi zochitika zapadera.
Atte Briggs idzasinthira script.
Kuwongolera Shelose, director ya zoyipa mu director filctor.
Ntchito pa ntchitoyi idzachitika m'chilimwe cha chaka chamawa ku Eastern Europe.