Breaking Dawn is the fourth book in the Twilight series by Stephanie Meyer. It follows Bella Swan as she marries Edward Cullen and unexpectedly gives birth to their daughter, Renesmee. This draws the attention of the powerful vampire clan, the Volturi, who view Renesmee's existence as a threat. Bella and Edward unite with other vampire covens to defend their daughter from the Volturi, leading to a climactic confrontation that could end in violence.