[Their track record for abandoned creepy space ships and the like is really not great. This time he has a sinking feeling it won't be anything good either.]

It's strange. There should be some sign of what happened or where they went.

[But mostly it feels like everyone just vanished.] Maybe the rest of the ship has more answers. We'll get there.

[He hesitates at what she says next and ventures a guess.] ...voices that shouldn't be here?