During the Russian Revolution, a young nobleman and his peasant maid flee from their homeland to Constantinople where they marry and begin a challenging new life.
Tasia (Dolores del Río), a beautiful dancer lower class of Russia, falls heir to the throne Prince, Grand Duke Eugene (Charles Farrell), but only admired from a distance. At the outbreak of the Russian Revolution, the Duke falls in captivity and this allows Tasia be near him.
The first part tells the story of Moses leading the Jews from Egypt to the Promised Land, his receipt of the tablets and the worship of the golden calf. The second part shows the efficacy of the commandments in modern life through a story set in San Francisco. Two brothers, rivals for the love of Mary, also come into conflict when John discovers Dan used shoddy materials to construct a cathedral.