Jake, serving as a soldier in Afghanistan, lost his mother 22 years ago in a fire, just like Sam. The "Yellow Eyed Demon" follows him and tries to urge him to unleash his hidden power, but he always refuses to do it. While leading his troops, they are attacked by the enemy and on the verge of destruction. In order to save his friends who are falling in front of his eyes, Jake makes a decision. In the meantime, Sam and Dean visit Jake's hometown, Saint Louis.