Dean and Sam investigate the death of a young college student who died in a car accident, but whose grave is now surrounded by a circle of dead plants.

Sam and Dean encounter a vampire hunter whose obsession may get them all killed.

After the events at the hospital, the brothers have no idea where the demon that killed their mother is hiding. While biding their time trying to come up with an…

In the aftermath of the car crash, the surviving Winchesters go to the hospital, where one is stalked by a Reaper while another must consider sacrificing himself to save the…