With the Calatrava captain's memories in hand, Sorrowful and Thomas get ready to make their bid for the treasures of the Mano de Dios--all while Mary plumbs the depths of Thomas' mind to ferret out Horatio and keep him from taking the drop of demon's blood from under their noses. Captain Crowe struggles to keep his fleet in position against the oncoming Rosicrucian fleet, while Tarquin makes a bold command action of his own from his fetters aboard the stolen submarine...