The Three Burials of Melquiades Estrada (2005)

the body of the honest cowboy melquiades estrada, a mexican emigrant, is found in the desert where he was barely buried after the murder. totally uninterested in solving the case, the local authorities transfer the body to a mass grave in the cemetery. but pete perkins, a ranchero friend of melquiades, decides to find the culprit and, once found in an arrogant border guard, kidnaps him and forces him to travel with him and with the corpse to fulfill the wish of the dead, who wanted to be buried in his hometown.