Dean has dreadful nightmares with hound dogs from hell chasing him but he does not tell Sam, as he has only thirty hours to the end of his one year life deal with the devil. Bobby locates Lilith in New Harmony, Indiana, and Sam summons Ruby to help them. Ruby tries to teach Sam to use a hidden power, but Dean lures Ruby and steals her knife, keeping her trapped under a pentagram. The Winchester brothers and Bobby head to New Harmony. There Dean discovers that he has the ability to see demons that have possessed common people. They arrive in a quiet neighborhood where Lilith has possessed a young girl and is terrorizing her family. Sam and Dean they find that her house is protected by a great number of demons. When Ruby appears out of the blue, they break in the house to destroy Lilith, but they have a big surprise.