Maddy Whittier is a teenager who has spent her whole life trapped in her home due to a rare autoimmune disease that makes her extremely vulnerable to any kind of infection. Her days are spent reading books, watching movies, and engaging in virtual interactions. However, her monotonous world changes radically when her new neighbor, Olly, moves in next door. With his charm and free spirit, Olly awakens in Maddy emotions and desires she has never experienced before.
Through exchanges on social media and secret meetings, Maddy and Olly begin a magical connection that leads them to explore love and youth, despite the restrictions Maddy faces. As their relationship deepens, Maddy feels increasingly trapped between her carefully controlled life and her desire to experience the outside world.
With Olly's support, she decides to risk it all to discover what it really means to live. However, the discovery of a dark secret about her condition will change everything she thought she knew about her life and health. The story becomes an emotional journey filled with romance, courage, and the quest for freedom, where Maddy must confront decisions that will determine her future, as she struggles between safety and the unknown.