Amid societal unrest in 1984, oil heiress Catriona Grant andher son Adam are kidnapped at gunpoint, but after sending tworansom notes the culprits unexpectedly fall silent and the pairare never seen again. When a man's body is discovered 40 yearslater in a quarry with a piece of evidence connected to thecase, DI Karen Pirie is tasked with reopening the case withthe first new lead in decades.
