The player characters belong to a small merchant group. The PCs have worked together on accompanying caravans to different locations across Athas over the last year or so.
The travels through the Athas deserts are never without difficulty, whether it be due to nature, man or beast. Usually a combination of the three. Each of the party members feels that the owe the others a debt due to actions that have saved life or limb.
The group is currently accompanying a caravan to the city-state of (city-state not yet defined). The caravan is one of the smaller of the caravans that the group has dealt with.