Watch as this stacked track star takes on an extreme physical challenge that pushes her body to the absolute limit! During an intense three-day training retreat, our well-endowed athlete struggles against gravity in a precarious balancing act that has her teetering on the edge of collapse. Her massive chest becomes both her signature asset and her greatest obstacle as she fights to maintain control through the grueling workout regimen. When the coach introduces some special one-on-one training sessions, things quickly heat up from merely physical to passionately carnal!