The Winchesters get a prerecorded video from Kevin Tran that basically says, "If you're getting this, it means I'm dead and it's your fault. But here's all my Demon Tablet research!" The brothers pore over the countless notes and pictures until Sam realizes he recognizes one of the symbols from his college days. It's Metatron's symbol, but it's been used by the Two Rivers tribe, who've managed to hold onto their original land despite the onslaught of white settlers. Thinking that perhaps Metatron has been protecting them, Sam and Dean set off on a good old fashioned road trip to look for him.

What they find is a Two Rivers hotel that hasn't had a guest in seven years, a hotel manager who hasn't aged in a century or more and a regular shipment of books. Sam starts remembering all sorts of tiny details from the past and confesses to Dean that even as a child he felt somehow impure, as if he knew all along about his demon blood. He feels the Trials are purifying him, because... whatever. He also begins hearing painful ringing noises. It's not the tinnitus they all got from the indoor shooting range last week, but a sign that Sam is "resonating" with Metatron. Dean and Sam the Giant Tuning Fork soon find Metatron holed up at the very same hotel, where he's been gushing over books like some kind of Heavenly Henry Bemis. He's been hanging out with the Two Rivers people since God went on walkabout, in hiding from the rest of Heaven. He's so out of touch that he didn't know that all the archangels are dead and/or gone. He didn't even know who the Winchesters are, so he obviously hasn't gotten around to those "Carver Edlund" books yet.

Meanwhile, Kevin Tran is not dead, but in Crowley's clutches. Crowley has demons pretending to be the Winchesters, trying to trick Kevin into revealing where he's hidden the other half of the Demon Tablet. You know who Crowley also has in his clutches? Castiel, that's who. Thanks to a double agent angel named Ion, Crowley manages to capture God's Dreamiest Angel just before Naomi can do it herself. Crowley shoots him with a special bullet made from melted angel swords. His intent isn't to kill Castiel (yet), but to find the Angel Tablet, which he eventually figures out Castiel is carrying in his abdomen and digs it out with his bare hands. It seems like everything's coming up Crowley, but Kevin soon figures out that the demons are too nice to be the real Winchesters. When Crowley explodes in a fit of rage and tries to kill Kevin, Metatron rescues the little prophet. Kevin, having snatched Crowley's half of the Demon Tablet, announces that the final trial requires that Sam cure a demon.

At the end, the Winchesters are driving back to the Lair of Letters when a familiar rumpled shape appears in the middle of the road. It's Castiel, who's in pretty bad shape, but you would be, too, if the King of Hell had just given you an impromptu C-section. Stay tuned for the full recap.

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