You can best read this story here, but I'm saving it here as well for safekeeping. Notes by ethrosdemon.

Redemption is A Four Letter Word
By Pet and ethrosdemon
Angel: The Series/Supernatural crossover
Sam, Dean/Lindsey, no Wincest, lots of UST, rated R

( Redemption Is A Four Letter Word )

( Redemption Is A Four Letter Word, Part Two )