"Diez is a member of a group of immigrants who are in the desert north of Mexico in order to cross the border. Diez, just like the other immigrants, suffered from the adverse climatic conditions of that area. Excessive heat and dehydration even killed one of the woman, in the group, and almost killed him. Before that situation, Diez tries to support and encourage the group not to look at adverse circumstances and move on to their main goal, a better life. He tries to guide them, and protect them from getting caught.
Milton Love is a research biologist at th Marine Science Institute at University of California. He wants to keep old oil platforms where they are because he has found out over his researches that this things had become a home, and habitat of millions of fish and other marine type of lives, functioning like some sort of artificial coral reefs.