Artemis interrupts a conversation to inform Emma that her grandfather is calling. He seems upset about something related to the night bus, which suggests a troubling incident involving Emma. This moment hints at a larger theme of trust and familial relationships in the story.
The mention of her grandfather's disbelief indicates a significant event that likely impacts Emma's character development. It also sets the stage for exploring the consequences of her actions, highlighting the interplay of secrets and relationships in Kinsella's narrative.