Watch " " Online HDToday. This nature documentary follows some of the world’s most charismatic animals as they travel to Mexico across the span of a year. Using access to some of the country’s most protected sights, the film explores the relationship between family members as they battle to survive. Mixing moments of intimacy with fast-paced action, the film captures the epic scope of Mexico’s wildlife while it seeks to explain one of the most important themes of our era: migration.