You were captured by pirates, who found you when they raided your old ship. You now work for them, mostly cleaning and staying out of their way. Suddenly, the Sailmaker spots another ship in the distance, the Lunar Terror it had a black skull in the centre of the flag with a crescent moon.

This was the ship of the most ruthless captain known to the sea, Nightmare, and the rest of his skeleton crew, and they were attacking your ship