Elizabeth doesn't sleep near the crew. She stays close to Tonks, in the cabin, and away from Will, though nothing would suggest that her fiancé would wish to string his hammock beside hers anyway, and not just because he has long been concerned with propriety.

They aren't talking. It's as much her fault as his, she knows, if not more so, and as the days and nights begin to blend together, she avoids the eyes of the crew and keeps more and more to herself, a task which proves easiest at night.

Sitting on a formerly neat pile of cordage and sail cloth, back to a wall, Elizabeth hears the light humming and draws herself further into the shadows until only the tips of her boots are showing. She watches Gibbs approach, waiting until he is much closer to say:

"I do not know that tune."