First of all, I play TESV: Skyrim on XBox360 and I never started/finished any of the other quest lines available (with the exception of the starting of the first mission for The College of Winterhold). My issue/problem is that Delphine & Esbern and The Greybeards are missing after I completed the main quest line.
My quest line went through in a different path that I never took before. Instead of going to straight to the mission "The Fallen," I had to go through the peace treaty in the mission "Season Unending". I also noticed that the mission "Paarthunax" never showed up on my missions log.
After I completed the main quest line, I went to visit High Hrothgar. I noticed the Greybeards weren't there so I wait 48 hours, but no one there. So I decided to pay Delphine and Esbern a visit at Sky Haven Temple, but no one there. Wait 48 hours, and they weren't there either?
Does anyone know what's wrong and if so, how do I solve this problem because I want to become a Blade and try a different quest line instead.