Stella Grant is almost 17 years old, is attached to her laptop and loves her friends. Unlike peers, he spends most of his time in hospital due to the cystic fibrosis that afflicts him. Her life is made of routine, limits and self-control, until the day when she doesn’t know the beautiful Will Newman, sick like her. A flirtation immediately arises, although they are forced to maintain a certain safety distance for their health conditions. As their bond intensifies, the desire to break the rules increases, but the situation becomes more complicated when to rebel would mean putting his care at risk.