"Supernatural" is produced by the American WB TV station. It tells the story of supernatural phenomena mostly from American urban legends and folklore. Heaven and hell have fallen completely into chaos. Now, demons, angels and various monsters are wandering on the chaotic earth. Dean (Jensen Ackles) finally got rid of his job as a demon hunter and vowed never to do this again. However, Sam (Jared Padalecki), who escaped from hell, once again dragged Dean back to his past life. The two brothers decided to fight side by side to fight the increasing evil forces that escaped from hell. But soon they realized that they were no longer who they used to be, and their relationship could never go back to what it was before...