Space pirates are hunting for an important device - a myelophone, which reads the thoughts of a person or animal from a distance. Alice, who took the myelophone from her father, Professor Seleznev, goes back in time, where with the help of ordinary Moscow schoolchildren, she saves a wonderful invention from the hands of space pirates. Kosmicheskie piraty okhoti︠a︡tsi︠a︡ za vazhnym priborom - mielofonom, chitai︠u︡shchim mysli cheloveka ili zhivotnogo na rasstoi︠a︡nii. Alisa, kotorai︠a︡ vzi︠a︡la mielofon u ott︠s︡a - professora Seleznëva, otpravli︠a︡etsi︠a︡ v proshloe, gde s pomoshchʹi︠u︡ obyknovennykh moskovskikh shkolʹnikov spasaet ot ruk kosmicheskikh piratov chudesnoe izobretenie.