Raven Castle has fallen to the Knights of Stendarr under the command of Lady Victoria Carrow. The remaining vampires of Raven Castle have fled to Falkreath and Riverwood, pursued, and cut down by the Knights of Stendarr.

Lady VIctoria's father, Sir Darius, a Paladin and Master of the Knights of Stendarr has come to Skyrim with the full authority of the Elder Council in Cyrodiil to purge Skyrim of its vampire plague by any means necessary. In response, Serana sends a dozen Volkihar vampires to Whiterun in an attempt to deal with the threat.

The Garnet Tower in Eastmarch has fallen, and Freja demands vengeance...