if these wings could fly (for the rest of our lives)

On the eve of Allison's death, a desperate Chris makes a deal with a demon named Crowley to bring her back. She's brought back in time to say goodbye to her father just before his soul is taken to Hell. After making sure her friends are okay, she hit's the road, hunting a trail that Crowley left. Dean Winchester is older, wiser, a better hunter. And the biggest ass she has ever met