Desierto movie plot

The film describes Moses (Gael García Bernal), a worker from the United Mexican States from the bottom of society, who decides to sacrifice everything and risk his life to illegally cross the US-Mexico border with his partners in order to reunite with his children in the United States. Unexpectedly, when they were walking across the desert, they encountered a brutal American Border Patrol volunteer Sam (Geoffrey Dean Morgan). Sam, armed with a gun and a hunting dog, went after Moses and the others frantically. As their companions fell one by one, the two had to end the tug of war in the boundless desert without shelter   .