Storm Over Purple Rocks

Publisher's blurb: An island, isolated in the cold northern seas, is home to a small fishing town and old reports of missing children. You have been requested to aid a young adventurer in their investigation, and are stuck on the island for a day due to a violent incoming storm. Can you uncover the dark secrets of Purple Rocks before night falls, and the sacrifces begin? A nautical, one-shot, 5th edition adventure for 3-5 level 5 players.