This movie is based on a true story by author Yossi Ghinsberg Yosi (Daniel Radcliffe), who likes to travel around the world, came to Bolivia in South America and befriended Marcus, a school teacher, and Kevin, a photographer, who like to go on adventures like him. As the 3 continued their journey together, in a town called La Puz, Jose met a man named Carl. Carl told Jose that he could take Jose to a place where there were Indian tribes deep in the jungle. He told her that he was a gold prospector. Yosi, Kevin and Marcus went with 3 of them into the jungle called by Carl, then Marcus was injured in the leg and had to turn around and continue.