The Earth is facing great problems in the nearest future it is in the lack of sun light. Physicist Olmin is leading the project to build a special tunnel - made of elementary fractions - from the sun to the earth, in order to the earth could get much more sun energy and light. At the same time a strange flower is brought to the Earth from a dead planet.

Cast:Hanna Dunowska, Igor Starygin, Irina Alfyorova, Uldis Norenbergs, Aleksandr Filippenko, Boris Khimichev,

Genre:Science Fiction,

country:Soviet Union,

Production:Gorky Film Studios,