Ryan’s even more suspicious of Jim. She doesn’t have the same familial bond that Jamie has, and she’s seen a side of him that Jamie’s never personally faced.
Catherine has seen her husband at his worst, and years of apathy are starting to fade away, replaced with an anger she’s never expressed to Jim. She has to contend with these feelings while trying to maintain a civil atmosphere for Jamie’s sake. It proves to be harder than she would have guessed.
Meanwhile Jordan and Mia have been making sparks with their flirthing and late-night makeout sessions. The issue is whether Mia can be, or even wants to be, in a relationship with a woman. She can clearly play the game, but it’s not clear Jordan views this as a game. Still, their sparks could easily start a romantic flame.