She's goint to go back in time and escape her trial for her crimes in a AU with some bronzedrake guy thats she's going to kill.
The story is going to take place right before the Lich King took over Arthas, she's going to take Arthas place, Lich King is going to take over Sylvannas and she's going to dominate the LK powers
But no , it's not the same thing than MoP, you think so but it's not like that it's a completly orginal story - Ion dude guy from Blizzard