Sadie Foust aka Camille aka Mouse

Sadie is the central narrator of the novel. She is Will’s wife and the mother of Otto and Tate. Sadie suffers with dissociative identity disorder. Her alter personalities are Camille and Mouse.

Sadie is a highly intelligent woman who works as a doctor. She is unaware that she suffers with dissociative identity disorder or that her husband is using her disorder to cruelly manipulate her. Sadie knows that she suffers from blackouts, periods of time for which she cannot account, but she does not think that these blackouts are anything to be concerned about.

Sadie is unaware that one of her alter personalities, Camille, murdered Morgan. Since Sadie feels that Berg believes that Sadie killed Morgan, Sadie goes about investigating the murder herself to clear her name. She works through the clues she collects and comes to the conclusion that it was...