Chile, early 20th century. José Menéndez, a wealthy landowner, hires three horsemen to mark out the perimeter of his extensive property and open a route to the Atlantic Ocean across vast Patagonia.

Follows the life of the three members of "Los Prisioneros" during key moments of their careers. As they become an iconic band, and still today resonate.

Teresa Betancourt and Joaquín Acevedo will experience the worst tragedy of their lives: the kidnapping of their son Mateo. From that moment, the intentions of their entire family group will be revealed. Because in the game of a sinister mind... anyone can be the culprit.