The end is nigh. Lucifer has possessed Sam, and taken Erin hostage. While Ariel, Dean, and Castiel scramble to find all the pieces to put Lucifer away for good, Lucifer decides to have some fun. Will Castiel and Ariel make it through the stress? Will Erin keep her feelings for Sam's body at bay, while Lucifer is inside? Read to find out! Book two to "The Way."