Appearance vs. Reality

The book repeatedly contrasts the peaceful, respectable surface of country life and wealthy households with the hidden crimes, secrets, and deceptions lurking beneath, from the seemingly idyllic Sunnyside to the respectable Armstrong family.

Sunnyside appears cheerful and peaceful, but hints of strange events and Thomas Johnson's warnings suggest a darker reality.

Liddy initially thinks the figure at the window is a woman, but later insists it was a man in a long coat, highlighting deceptive appearances.

The peaceful evening contrasts with the violent murder; Jack's friendly demeanor masks his mysterious absence.

The peaceful exterior of Sunnyside contrasts with the violence inside; Rachel's calm demeanor hides her fear.