Season four divergence. Dean is a fallen angel, masquerading as a human, attempting to ruin God's plan. Everyone he's known has been fooled into believing the lie. Even the angel that rescued him from Hell has no idea until he slips up.

The world is full of creatures that prey on humans. It is up to 'Hunters' to fight against the dark. Lucky Hunters rely on the help of angels they have bound to their service. Sam and Dean may be good Hunters, but they have yet to capture an angel. One day, Sam finds an angel and seizes the opportunity to bind the angel to himself. Little did they know what they were getting into.