The novel takes place in the 10th century in northern France, where the warlike Viking Rollo creates a new power, pushing out the Frankish rulers. His captive Emma, lively and charming, is the only heir to the reigning dynasties. That is why the mighty and omnipotent Rollo wants to make her the wife of his younger brother. But his plans fail, Rollo realizes that this red-haired beauty has entered not only his harsh, cruel life, but also his heart, which knows no pity and compassion...