The Originals -- ''Sinners and Saints'' -- Image Number: OR105a_0236.jpg -- Pictured: Joseph Morgan as Klaus -- Photo: Bob Mahoney/The CW -- ÃÆ'‚© 2013 The CW Network, LLC. All rights reserved Photo

From: Photo Flash: THE ORIGINALS' 'Sinners and Saints,' Airing 10/29

On THE ORIGINALS' upcoming episode, titled “Sinners and Saints,' angered by recent events involving the safety of his unborn baby, Klaus (Joseph Morgan) demands answers from Sophie (Daniella Pineda), believing she was involved. Sophie reveals to Klaus and Rebekah (Claire Holt) a troubling secret from her past. Meanwhile, Marcel (Charles Michael Davis) asks Klaus to accompany him to the bayou after gruesome remains are discovered, while Rebekah, Sophie and Hayley (Phoebe Tonkin) set off on a mission of their own. Davina (Danielle Campbell) confides in an unexpected ally and reveals shocking information about the witches, ultimately leading to a disturbing revelation. Daniel Gillies also stars. Chris Grismer directed the episode written by Marguerite MacIntyre and Julie Plec (#105).