What Sleeps Beneath Cartagena

“The colonial walls were not built to keep pirates out, but to keep something from rising out of the sea.”

Beneath the hull of a galleon off Cartagena, an underwater archaeologist finds a stone staircase descending into an uncharted trench. As the dogs fall silent in the walled city and the fishermen share the same nightmare, a colonial diary reveals the true purpose of the bastions. Before October ends, there is only one choice: seal the abyss, or take the last step down.