"When Private Investigator Kate Marshall is rushed to hospital after being pulled into a riptide current in the sea, the near-death experience leaves her shaken. During her recovery, she befriends Jean, an elderly lady on the same ward who tells the harrowing story of how grandson, Charlie, went missing eleven years ago during a camping trip on Dartmoor. By the time Kate is well enough to go home, she's agreed to take on the case, but when Kate and...

"Criminology academic Kate Marshall is on a scuba jaunt with her son when they dive toward a shocking discovery: the body of a teenage boy entangled below the surface of the Shadow Sands reservoir. The detective chief inspector's too-quick narrative of a tragic drowning doesn't add up, and when Kate follows the evidence, it leads to a darker discovery. The victim is only the latest in a series of mysterious deaths and disappearances linked to the...