While Gran’s jolt of surprise could be innocuous, particularly in the context of a mystery novel, it seems like a sign that Sullivan is lying about something. Gran’s dementia means that she isn’t able to conceal her thoughts as skillfully as Sullivan. Because
The Dry is less about a single mystery and more about the experience of a whole community, this particular plot thread remains a cliffhanger for a while as Falk and Raco investigate other angles and visit other parts of Kiewarra