Old Memories Brought Back to Life

Dean and Castiel were best friends since they were in diapers. But, when someone murders Cas' mother in front of him at the age of 8, His father forces him and his 4 year old brother, Gabriel, to move across the country. 10 years later, Dean and his little brothers, Sam and Adam, move to a new town where they come across there old friends who are on the run from their father.