Engineer Mashkov and student Gedevan, controlled by someone else's will, find themselves on an unfamiliar planet, experience all sorts of adventures, realize the flaws of humanity and safely return to their homes. The dictionary of the inhabitants of an unfamiliar planet: Etsih - a box for prisoners, Etzilopp - a representative of the authorities, Pepelac - an interstellar ship, Gravitsappa - a part from the pepelac engine, Kyu - an expletive acceptable in society, Ku - all other words. Actors: Stanislav Lyubshin, Yuri Yakovlev, Levan Gabriadze, Olga Mashnaya, Irina Shmeleva