Twenty years ago, Elias Thorne’s sister walked into the morning mist of Blackwood Bay and never returned. The police called it a tragic drowning, but the locals never speak her name. Now, Elias returns to the decaying coastal town to settle his father’s estate, only to find a series of cryptic journals suggesting that the bay doesn’t just take lives—it harvests them. As the “Salt Fog” rolls in, Elias realizes that some mysteries are better left buried beneath the tide.