After their exams, four sixteen-year-old best friends pledge to live a summer regret-free, doing what they want to do however much it scares them: Sasha agrees to spend the holiday with her father in Geneva, having not seen him for six years, but is not expecting his new girlfriend, or the young man in the cafe. Shy Hetal decides to go to science camp, and finds a new competitive spirit. Nell gets a summer job, but after her accident her mother is scared to let her out of the house - so to do what she wants she will have to lie to her parents. Cam goes to look for her birth father, scared of the future when she can no longer stay with her foster family. What will she find? As all these choices become difficult, even dangerous, they will need to turn to each other for the strength to face the future.