In Schwarzbart (Blackbeard) the adventurers are on the hunt for the notorious pirate Schwarzbart. On the hunt they strand on an island ruled by a clan of cannibals.
On the island they find a treasure map, showing the way to the sunken city of Celastia, before beeing rescued by Schwarzbart.
Together pirates and adventureres set out to find and explore the city, its incredible wealth and magic. And an old curse lying on the city of Celastia.
In the end the adventurers end up in the middle of a nightmare of tormented undead, fiery chaos and angry demons.