In the world of Aratheon, kingdoms, pirates, and fantastic peoples compete for control of the oceans while a powerful Empire seeks to destroy the Brotherhood of Storms, a pirate organization that refuses to submit to its authority. Each adventure follows new characters caught in this struggle, including captains, mercenaries, sea creatures, and crews driven by conflicting ambitions. Revenge, betrayal, magic, and struggles for power intertwine throughout their journeys as the war for control of the seas gradually threatens the balance of Aratheon.