The Last Room at Desert Motel

Lucas is a geologist. He knows rocks. He knows how deserts form. He knows what the ground should feel like under his boots. None of that helps him here. The Desert Rest Motel has no cell signal. No working phones. No other guests in the morning. Just a blood trail on the second-floor corridor. A half-open door. A red stain spreading from underneath. And the sky has turned the color of a bruise. The Motel is always hungry.
And Lucas just checked into the last room. He won't check out