Duncan was told to bring you to the fireflies, since you could be the cure for the cordyceps virus. He tells you you're onyl cargo, but he doesn't act on it. He is way closer to you than if you would be 'just cargo'. But you decide to not overthink it.

You two are walking on a snow-covered field in silence. The only sound right now is the snow crunching under your feet. Its dead quiet where you are walking.