At the age of just sixteen, Cornelia Sun, learns she has a non removable brain tumor. After doing all they could, the doctors inform her and her family she only has a week left to live. Cornelia's best friend, Christopher, treats her to an unforgettable last day of her life. She quickly learns what impact she's had on his life, as well as her parents and even people she doesn't know. Spending her last days with people she loves, is all Cornelia's ever wanted. And when she closes her eyes for the last time, she's at peace.