A Guide to Game of Thrones Season 7's Biggest Moments

Your sister carries around a bag of dead people's faces! Surprise!

Sansa and Arya are a bit at odds with each other, no thanks to Littlefinger, but also because they were never that close as children and are now very, very different people. So as they try to get to know each other again, they see some behavior in each other they don't particularly like — like being a stone-cold killer who can change her face at will.