An official synopsis has not yet been released for the episode, but the promo features the return of Rowena (guest star Ruth Connell) and Jack (guest star Alexander Calvert) possibly losing the remainder of his soul as Sam (Jared Padalecki), Dean (Jensen Ackles), and Castiel (Misha Collins) try to prevent Jack from burning off more of his soul.
Following Supernatural’s 300th episode, The CW released the promo for episode 14.14., titled” Ouroboros.
Supernatural follows brothers Sam (Jared Padalecki) and Dean (Jensen Ackles) Winchester.
They’ve come out on top with the help of allies, both human and supernatural, but every victory comes at a price.