Three people and a baby set off on separate journeys, along the same road; their disparate dreams and stories intertwine amidst the breathtaking deserted Patagonic route.

Deep within Buenos Aires's labyrinthine subway system, a train mysteriously disappears along with it's 30 passengers. The subway officials are greatly troubled and call in topographer Daniel Pratt to help them find it. Unfortunately, the tunnels are so vast and complex, that Pratt needs his mentor Hugo Mistein to help him. Unfortunately, he too has vanished.