We all played KoToR games and loved Revan for what he was and achieved,after the recent events on his books,BW continued his story to SWTOR.
Republic Side
Revan gets discovered by Republic and they rescue him .youtube.com/watch?v=928Q6HY92Ec
Empire Side
Revan is Insane and trying to make a Genoside to all Sith and Empire Players are sent to Destroy him. youtube.com/watch?v=wvEjL0GWJGk
There is alot of more spoilers feel free to share em if you want.