According to Annabel, Miles and his two fellow mining engineers had been in the village prepping a trip to the edge of the Andes in Peru, in search of potential new mines for the corporation they worked for. Two men researching a supposedly extinct plant had arrived from Europe seeking a guide to go up a mountain in the Andes as well. An archaeologist and his two grad students were heading to the Andes looking for a rumored lost city of the Cloud People-the Chachapoyas. All of them had decided to pool their resources and travel upriver together. 

Two of the guides, the archaeologist and his students and three porters...