Across from the railroad tracks, priest Alejandro Solalinde founds and builds a shelter in Ixtepec, Oaxaca to provide refuge and spiritual relief to Central American migrants. Solalinde ́s struggle is interwoven with the changing lives of women and men who, motivated by their faith and need for dignified work, waits for their moment to defy danger and continue their journey to the north.

An anonymous body in the Arizona desert sparks the beginning of a real-life human drama. The search for identity leads us back across a continent to seek out the people left behind and the meaning of a mysterious tattoo.