Abner Marsh has built the finest steamship to sail the Mississipi. But on its path down the river, rumours surface about Marsh's business partner, Joshua York. ... » 

Abner Marsh has built the finest steamship to sail the Mississipi. But on its path down the river, rumours surface about Marsh's business partner, Joshua York. He eats only at midnight, with friends never seen during the day; and a trail of terrible deeds along the shores follow in the ship's wake. «