Circle of four

A year after the demon incident, the newly married Winchester family has been preparing for a possible battle involving Lucifer and his army. But unexpected events get in the way along with Witches and above all the devil trying to get into their heads. Now it's a game of survival as the Winchesters must find a way to not only protect their families but also to stop Lucifer, will they be able to defeat the enemy? Read "Circle of Four" to find out.