Twenty-five athletes who ended their first careers, either involuntarily or by choice, try to knock one another down and be the last one standing as they compete for a 30-million-yen grand prize that can be used to explore and fund a second career. While struggling with near-impossible competitions that push them to the brink, they must face not just their rivals but also their own physical limits. The stage is set for this survival game that combines strategy, one-upmanship and psychological battles featuring athletes aiming to once again capture a life in the spotlight.