Lost film. Helja, an Estonian woman, and his British groom John have met during the Estonian War of Independence. They hear from an old professor of an old folk tale about the dark past of Estonia. Estonian pageboy Mangu who works at von Sternhell's manor proposes a pretty slave girl Linda. However, von Sternhell gives orders to steal the bride right in the middle of the wedding. She will be taken to von Sternhell's castle according to the brutal middle-age custom – the law of the first night. Together with fellow villagers, Mangu gets into a desperate battle with the noblemen in order to save his wife's pride.