The module is set in Forgotten Realms. The player takes the role of a character who is employed by Captain Allendry as part crew member and part passenger aboard the Midnight Rose. The adventure is intimately bound up with the sea and redolent with piratical artifacts and references, such as swashbuckling items, treasure maps, navigational instruments and a talking parrot who will not leave you alone. It also features adventures with undead pirates, underwater adventures, and a lengthy episode where the player is marooned on a wild island. The game featured:
Stand-alone story that includes many colorful characters and possibilities.
New tilesets, including pirate caves and underwater location "Fiddler's Green".
New pirate-styled items and characters.
Source: Wikipedia, "Neverwinter Nights: Pirates of the Sword Coast", available under the CC-BY-SA License.