Where No Sheldon Has Gone Before....(Fan Fiction Recommendations)

[Del Fino]

guys I'm looking for a FF that I have read but can't find it anymore. In the story Penny& Sheldon had an affair. There was a celeberation in CalTech and they had sex in his office. Then Raj finds out but don't tell somebody. And I remember that Penny moved to LA or NY and Sheldon visit her, lying Amy its because his work.
It was a story with many chapters. Hope you can help me.