After their perilous encounter with the sea-witches, the pirate crew of the Jacklight find refuge on a deserted island, but shadowy creatures have been spotted in the jungle, and when Walker, Shiv, and Genoa discover mysterious ruins, the dark history of the archipelago begins to unravel. Legend tells of a mad king, a fallen civilization, and a powerful royal family in search of their lost sister. And for reasons Walker can't understand, Genoa seems to be at the center of it all.