Rookie FBI Agent Sierra Knight follows her murdered mother’s footsteps in joining the FBI, determined to solve her cold case. Armed with a box of unsolved murder files, Sierra must hunt an elusive killer across years of history. But stirring up the past may just leave her to be targeted herself…

Empty nest parents are found dead in scenes of apparent suicide, their grief over departed children seeming to have driven them to despair. Sierra Knight uncovers her mother’s heartbreaking unsent letters that reveal not only the true pattern behind these deaths, but her own mother's deepest fears about being forgotten.

Published
October 15, 2026
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