Thomas, Clément, Roxane, Mehdi, Sarah and Côme, united under the name of Les Bracelets rouges, are determined to live their teenage years to the full, despite the fact that they are hospitalized. Surrounded by their often distraught parents, and supported by caregivers who do their utmost to remain serene, they will go through trials that will turn their lives upside down, between their first love affairs, betrayals, relapses and recoveries.