In Czarist Russia, a young peasant boy is sent to Siberia for insulting the Grand Duchess. Released years later, he joins the fighting to overthrow the royal family. The entire royal family is condemned to death when fighting ceases.

Thyra arrives in Chekia to wed its old and ugly king. The Duke falls in love with her. A revolution erupts and the king is assassinated. Chief revolutionary Gigberto also falls in love with Thyra. The revolutionaries plan to drown Thyra and Gigberto in a boat, but the Duke takes Gigberto's place. And the loving couple are rescued.