Ep 21. Salvation

In this episode of Supernatural, entitled "Salvation," the Winchester brothers find themselves investigating a small town in Nebraska that has been marked by a demonic sign. They soon discover that the town is a target for a group of demons who are seeking to locate a young woman named Meg, who holds the key to freeing their leader, Azazel.

As Sam and Dean delve deeper into the mystery, they come face to face with the demon responsible for the sign, and learn that he has been summoned by a group of individuals who are attempting to make a deal with the devil in exchange for power and influence.

With time running out and the demons closing in, the brothers must race to find the girl before it's too late, and stop the ritual that will bring about the destruction of the town and all its inhabitants.

In a high-stakes race against time, the brothers must use all their skills and knowledge of the supernatural to take down the demons and save the day, in an action-packed episode full of twists and turns that will keep viewers on the edge of their seats.