During a sports physical 18 year old Ben finds out that he has leukemia. Since he is old enough to make his own decisions he decides he doesn't want to have any medical treatment and will instead live what's left of his life as fully as possible. He also doesn't tell anyone. But knowing that he won't have any long-lasting consequences he is free to do whatever he wants including trying out for football, arguing with his teachers about what they're teaching and dating the girl he has always had a crush on. Everyone is amazed at the new Ben but after a few months he begins to question his decision, especially the decision to keep his illness from all of his loved ones. And now he wonders if it might be too late to tell them.