Revenant Ghost Ship

From publisher blurb: Revenant Ghost Ship is a Fifth Edition plug-in adventure for four characters with an average party level (APL) of 3, 5, 8, or 11. This addon offers a general guideline on how to scale the adventure for each level. A pirate ship has been cursed to sail the oceans for eternity, unable to take revenge on the one that betrayed the crew. The characters board the ship as it lies ashore and confront its undead sailors until they come face to face with the revenant captain.