Who killed Abraham and Esther Downing in the 1970s? What is the significance of the seven tiny skeletons unearthed in the garden of Downing's cottage? And why does no-one care? As DCI Kath Fortune and her cold case team deep dive into their second investigation, they come up against a wall of silence surrounding the reclusive couple. With Kath trying to piece together the clues and keep her personal and professional relationships on track, her past comes back to haunt her with time running out on all counts.