In May 1808, the fortress, renamed Sveaborg, surrendered to Russian troops and, together with the fleet and fortifications, went to the Russian Empire.

1919 year. There is a civil war in Siberia. Taking advantage of the complete confusion, Admiral Kolchak wants to export part of the country's gold reserves abroad. At the very last moment the Bolsheviks find out about it. They decide to intercept the train, but do not have time to properly prepare the operation... The girl Nadya, in whom the head of the train is passionately in love, can save the situation. Several kilometers of railway tracks to the border become a battlefield between white and red.