Whats on Disc 1 and 2 on The Witcher 2 Enhanced Edition?

Horizon - Xbox Xbox Gaming
1

I just didnt want to download and burn both discs if i really dont need 2 of them so was wondering what were on disc 1 and disc 2?

2

is the witcher 2 co-op

3

nope

4

the story mode carrys over onto disc two i believe.