The show is set in New Orleans which the Mikaelson family and original vampires helped to build. In the first season, the focus was primarily on Klaus (Joseph Morgan), Elijah (Daniel Gillies), and Rebekah (Claire Holt) who found out in the backdoor pilot, aired on April 25, 2013, how Hayley Marshall (Phoebe Tonkin) was pregnant with Klaus' child. Having fled the city many years ago, they return to find Marcel (Charles Michael Davis) (Klaus' protégé) leading the city. The family decide to take back the city. The show also revolves around the relationship between them and other supernatural beings, including witches.
The Originals Season 1 Trailer