In the South American jungle, supplies of nitroglycerine are needed at a remote oil field. The oil company pays four men to deliver the supplies in two trucks. A tense rivalry develops between the two sets of drivers on the rough remote roads where the slightest jolt can result in death.

Russian exiles in Paris plot to collect ten million pounds from the Bank of England by grooming a destitute, suicidal girl to pose as heir to the Russian throne. While Bounin is coaching her he comes to believe she is really Anastasia. In the end the Empress must decide her claim.