"Supernatural" is produced by the American WB TV station. It tells the story of supernatural phenomena, mostly from American urban legends and folk tales. After Sam (Jared Padalecki) killed Lilth, he brought the fallen angel Lucifer (Mark Pellegrino) to the world. Lucifer resurrected the holy angel Castiel (Misha Collins) and told Sam that he was his own flesh. In order to carry out the "dedication plan to Satan", Sam decided to attract Lucifer with his flesh and then jump into the cage of hell. But Lucifer occupied his body and will, making his plan impossible to implement. At the critical moment, Sam's soul awakened, and Dean (Jensen Ackles) fought to send Lucifer back to hell, but he also disappeared. Castiel was promoted to the leader of angels. Dean returned to ordinary people's life. Suddenly one day, Sam appeared at the door...