Summary: Castiel followed Sam and Dean into the hotel in Detroit—after everything they’ve survived together, there’s no way he’s leaving them alone now. This small act of loyalty has consequences, of course. Now he has to learn how to live as a grounded angel, Dean has to learn how not to fight for his brother, and Lisa has to learn how to balance family and desire.
Chapter 4: Exile on Main Street
Cas learns a new skill, Lisa has outside concerns, and Dean leaves on an ill-advised road trip.