Embarking on a breathtaking journey through some of America's most iconic wilderness, three adventurers, led by world-renowned climber Conrad Anker, are accompanied by his stepson, photographer Max Lowe, and friend Rachel Pohl, an artist and fellow climber. They set out to explore the scenic beauty and untamed wildness that the national parks offer. With a focus on the centennial of the National Park Service, the trio aims to reconnect with nature and gain a deeper appreciation for these treasured landscapes. Their trek is not just a physical endeavour but also a homage to the conservation efforts that have preserved these spaces for future generations.

As the adventurers travel through several majestic parks, the film showcases the immense diversity of the American wilderness, from the crystalline rivers to towering redwoods and rugged mountain peaks. Through a blend of action-packed sequences and contemplative moments, viewers are invited to witness the grandeur of Yellowstone, Yosemite, and many other national parks across the country. Alongside thrilling climbs and hikes, the adventurers reflect on the legacy of environmental pioneers like John Muir and President Theodore Roosevelt, who played instrumental roles in the creation and expansion of the national parks. This immersive journey celebrates not only the raw beauty of nature but also the spirit of adventure that draws individuals to these extraordinary landscapes.