Stella Grant is every bit a seventeen-year-old: she's attached to her laptop and loves her best friends. But unlike most teenagers, she spends much of her time in hospital as a cystic fibrosis patient. Her life is full of routines, boundaries, and self-control - all of which is put to the test when she meets an impossibly charming fellow CF patient named Will. As their connection intensifies, so does the temptation to throw the rules out the window and embrace that attraction.