From the description:
"We can't stop here..." is a Mörk Borg supplement about a wagon filled with magical herbs that would make any occult herbmaster wet their pants from excitement.
There are 8 pages of material about the wagon and the surrounding lore plus a short 7 page adventure "... this is bat country" that let's the party discover the wagon and possibly get revenge on their dead friends in the hands of bat-men.
Contains rules for: Consuming the contents of the unlabelled jars of the wagon. The morning after. Visions that can be gained from beyond. Traveling with the strange wagon that might not want to go anywhere. Random encounters while traveling with the wagon. And descriptions of Yrtlepakko (The Bat of the Herbs) and the skull that sits on top of the wagon.
Content warning: Substance abuse (fantasy drugs), religious fanaticism, violence.