A dive instructor who emerges as a protective figure for his nephew, Liam, while navigating his own complex past and relationships in the small town. His story intertwines with Kieran’s, offering insights into the community’s deeper secrets.

Referenced primarily through the memories of others, Gabby's disappearance is a pivotal event in the narrative, resonating through the lives of the characters. Her story underscores the themes of loss and unresolved grief within the community.

Kieran's partner and a resilient mother, who helps him find emotional stability and healing. Her past connection to Gabby and shared history with Kieran add depth to her role in the storyline.

The infant daughter of Kieran and Mia, serving as a symbol of hope and renewal amid the novel's themes of grief and loss. Her presence in key scenes underscores the possibility of a hopeful future.