When Emmalyn Remembers Author:Jennifer Wilde A victim of amnesia since Henrietta's murder, Emmalynn returns to the scene of the crime, the Brighton estate she now owns, where three men--caretaker Boyd Devlon, Henrietta's brother Gordon, and George, the killer's son--vie for her love. Reprint.
I read this ages ago, and found it so suspenseful that I kept looking over my shoulder and had to sit with my back to the wall for hours. I definitely recommend it.