A middle-aged woman living on a houseboat, Miriam works at a bookstore and plays a pivotal role in the murder investigation through her deceptive actions.

An elegant and affluent woman who is deeply connected to several main characters; her complex relationships and past losses inform her actions throughout the story.

A successful novelist with a complicated history of love and loss, Theo finds himself entwined in the investigation and grapples with the consequences of his past choices.