A wagon in the Underdark

You've been following the path to a much wider path made of bricks... a road?

You're standing in the middle of the road, still contemplating who'd travel the Underdark on such a regular basis that a road would become a necessity, when your answer arrives from behind you, in form of a rattling noise.

You dive behind a couple rocks, and a short while later, when the noise has just passed you, you carefully peek out of your hiding place.

It's a cart.

You can't make out what it's got loaded, since there's a heavy looking blanket thrown over it's cargo, but it's drawn by a huge, dark horse, and accompanied by two drow. And they're armed to the teeth too.

These guys will probably take me to whatever camp my friends and family are being held at, you think, as you sneak up to the back of the cart and jump under the blanket, joining all kinds of loot.