Lucifer has escaped the cage. But he isn't the same, struggling with depression, PTSD and heartbreak he decides to end it all with his biggest apocalypse yet, and take himself down with it. That is, until Sam Winchester rescues him. Sam is alone, hunted by her demon brother, and now she has the devil himself in her basement. Will Sam be able to forgive Lucifer after everything he has done? Can Lucifer learn to trust? Will both of them realise the depth of their love before their worlds come crashing down?