Following the meteoric rise of legendary bodybuilders and viral internet sensations Zyzz and Chestbrah, brothers Aziz and Said struggle to find their place in a hostile world. They discover a sense of belonging on bodybuilding forums, where they create their online alter egos—Zyzz and Chestbrah—building a dedicated global following. But Zyzz’s relentless pursuit of perfection threatens everything. When tragedy strikes, Chestbrah is left to piece together the complex legacy they created.