As reporters speculate about the proximity of the crime to the Crown and the police fail to investigate a suspicious accident on her doorstep, Elizabeth quietly begins to mull over the mystery herself. With help from her Assistant Private Secretary, Rozie Oshodi, she delves into the interlocking layers of fact and fiction surrounding the high-profile case. Someone in the quiet county of Norfolk seems to have a secret worth killing for, and the Queen is determined to find out who and what that is—even if that means discovering that someone in her close circle is a murderer.