Based on V. A. Obruchev’s novel.
The secret land lost among the arctic ice has been exciting the travelers for over one hundred years. The film heroes go on an expedition that is financed by a rich owner of gold mines. They found a flourishing oasis among an icy silence. But as it turned out an earthquake would destroy the oasis very soon...
The exiled settler Alexander Ilyin persuades the goldmines owner Trifon Perfilyev to sponsor the expedition dedicated to the searches of "Sannikov Land", a legendary warm land behind the Polar circle.