There is definite tension between them right from the first scene, star Kit Harington tells EW.
There are the same problems she questions his decisions and command; he doesnt listen to her.
But as far as where that goes or takes them or how dark it can get, well see.

Credit: HBO
It gets past sibling squabbling, it gets into two people power struggling.
Ive gotten to enjoy not just grunting.
Everyone gets a bigger slice of the pie, he notes.
Everybody is left is left with more stuff to do.
Its quite exciting how it ramps up speeds up toward a dangerous climax.
We also asked the actor his thoughts about the prequel series that HBO is developing.
I think that makes a lot of sense start with a new set of characters, he said.
Theres so much scope for this story thats been going for thousands of years.
Im happy to step away from Jon Snow, though Im still interested in TV.
Game of Thronesreturns July 16.