T2 follows British triathlete Tom Bishop through a defining chapter of his career, as he fights to return to the top of the sport following a serious injury. Once a British record holder, Tom faces the challenge of rebuilding his form and securing qualification for the Ironman World Championships, with the demands of elite competition testing both his physical and mental resilience.

Against the backdrop of an evolving relationship with long-time partner HUUB, the film explores the sacrifices, setbacks and uncertainty that come with life as a professional athlete, while asking what it means to keep chasing something when the finish line is never guaranteed.