Hmmmm, there's more to it then that. However, the plot is so helplessly vague that no one has made snese of any of it. ((and, we're probably better off not knowing.))
I like to think we actually have a pretty good idea of the plot for the first games. I've looked into the Dark Souls 2 plot a good bit, and while there are specifics that we'll never know, the general plot idea and some specifics seem pretty clear now.