From a dramatic standpoint, there aren't many places left to go with Cassandra.
WHAT. YOU ARE CLEARLY AN INCOMPETENT GET THE FUCK AWAY FROM A WRITING CAREER THIS INSTANT.
The relationship both women begin to form with Wendy will become very important to the book moving forward in the spring. You'll also see some shades of mentor/student between Jim Gordon and Detective Nick, too.
Nice safe white people! Look at all the awesome and interesting relationships between white people! And all the great mentoring Babs will be doing with these new kids, because no one's a better mentor than someone with a bunch of abandoned old kids we never mention anymore!