Supernatural has season 10 all plotted out, and it looks like the Winchester brothers and their angel pal will soon embark on an even darker journey than usual.

'Supernatural' Episode 3 Title Revealed, Filming For Season 10 To Begin This Week

Released by a ScreenFad's managing editor on Wednesday, a new season 10 summary shows that very little good will come from the aftereffects of May's "Do You Believe In Miracles."

"Season 10 begins with Sam's [Jared Padalecki] frantic search for his missing brother, who is gone without a trace," reads the ominous summary. "The road to recovering the wayward Dean [Jensen Ackles] takes Sam down dark paths, with consequences that will shake the boys to their core. Meanwhile, Castiel [Misha Collins] has to pick up the pieces in the aftermath of Metatron's [Curtis Armstrong] campaign. With his grace failing and rogue angels still on the loose, Cass will face the ticking clock of his own mortality as all-new threats emerge to once again push all of our heroes to their limits."

Demon Dean To Be Incredibly Scary On 'Supernatural', How Powerful Will The Mark Of Cain Make Him?

Many viewers have spent the summer hell-atus wondering how Sam will cure Demon Dean, but it looks like reviving his deceased brother and removing the Mark of Cain will take a backseat to actually locating the missing Winchester. That is if Sam even knows what Dean has become. It appears that little Sammy may be completely in the dark regarding his brother's brand new pair of shiny black eyes.

Find out more when Supernatural returns to The CW on Oct. 7 at 9 p.m. ET. Click the video below to see the final moment of the season 9 finale.