Neptuns Curse

As a visitor of the famous museum ship in the Port of Hamburg, you will explore a secret room on board that was found during the latest restoration. As you enter the room, you notice this strange whisper. The sea god Neptune is calling you. He's asking for his trident, which the Captain of the Rickmers stole from him a long time ago.
The door falls into the castle, you're trapped and Neptune has you fully under control. Fulfil his wish or Neptune and the Rickmers will drag you to the bottom of the Elbe...