Charlie, a 12-year-old boy who loves adventure, visits his relative's sheep farm in
Patagonia, Argentina. He meets his uncle, who shows him around the farm and introduces him to his grandchildren, Sylvia and Emilio. Charlie helps them care for some orphaned lambs, but they hear of a puma attacking sheep on neighboring farms and decide to protect the lambs. Charlie learns valuable lessons about teamwork, responsibility, and animal care and makes new friends.

The trio now visit the Perito Moreno glacier in Los Glaciares National Park, where they witness ice breaking off and falling into the surrounding lake. After a guided tour, they hike to a viewpoint above glacier. Later, they go hiking in the nearby hills and see a herd of guanacos with their young. Lastly, they visit a nature reserve where they see ñandus and other animals.

The three children then visit a nature reserve on the coast of Patagonia, where they see a variety of marine wildlife. Their guide, shows them penguins of several types, as well as sea lions, fur seals, and elephant seals. They also see humpback whales and watched as one breached.

On his final adventure Charlie visits San Carlos de Bariloche, a town in the Andean Lake District. He explores the town, hikes Cerro Lopez mountain, visits Llao Llao Hotel, and goes to the Cerro Catedral ski resort. Charlie then hikes to a mountain hut that offered breathtaking views of the surrounding peaks.