A squadron of American warplanes, armed with gas developed by Corsican chemist Gannimer (dubbed "Napoleon Gas") flies to Leningrad. American workers inform soviet comrades about the impending catastrophe. But the air attack on the city has already begun, and the assault troops of the enemy capture...
Siberia. 1919 The retreating intervention detachments and the English expedition leave the mines. A snowstorm begins. English engineer Henry and his fiancee Ollan, the daughter of the company director, are lagging behind. After much wandering, the heroes come across the winter quarters of the...
