Members of a Mormon community in Northern Mexico travel in a 3 car caravan to a wedding. After an explosion, the search begins for 3 mothers and their children.
The children are taken to a hospital in Arizona, the FBI joins the investigation, and an arrest is made by Mexican authorities. The history of the Mormon community in Chihuahua is explored.
Authorities find a crucial piece of evidence that supports their theory of the events, but the family is not convinced by the explanation. A cartel member reveals reasons for the attack, and some families decide to move back to the U.S.
