Dean knows his wife is having an affair, he just doesn't know with who - and when he finds out, it's worse than he thought. Destiel Slash AU.
Supernatural - Rated: M - English - Romance/Angst - Chapters: 33 - Words: 47,178 - Reviews: 615 - Favs: 1,078 - Follows: 318 - Updated: 4/1/2011 - Published: 1/5/2011 - Castiel, Dean W. - Complete