Episode Description: Beware, spoilers! To read - hover over the text.
Dean is struggling with the consequences of taking the mark of Cain. Meanwhile, Sam finds a case of ordinary people become brutal killers. Sam thinks the point of obsession, and invites Dean to initiate an investigation, but Dean asks to go on without him. Interviewing local old-timers, Sam meets an elderly lady named Julia, who tells him that the men of letters came to town in 1958. Julia tells Sam the story about a young man named Henry Winchester and his companion Josie Sands. While Sam is away, Crowley tests the Dean.