"Extension" is a short documentary that tells the inspiring story of Ben Crouter, a teenager who was given a shocking prognosis of having only ten years left to live due to his cystic fibrosis. Despite this grim prediction, Ben lives his life on the edge, engaging in unhealthy habits such as smoking and drinking, and neglecting his health. However, after being rushed to the hospital, he is faced with a crucial decision: continue living recklessly and face a premature death, or choose to take care of himself and embrace hope.