"'Other teenagers with your problem.' Her mother's sentence crashed through Carina's head like an exploding popcorn and left burns everywhere. "Pah! Your problem! My problem!" Carina made her anger out loud. "The problem is lactose and gluten intolerance."

Carina has been suffering from celiac disease for a year and is registered for a nutritional course by her parents after repeated hospital stays. Reluctantly she drives into the mountains and meets other young people with her illness for the first time. Although all group members brought the diagnosis of celiac disease to this location, they find that it connects much more than their illness. It's a good thing that her diary Paulchen doesn't talk secrets. Not even Carina's growing interest in Maxin, the nice boy from her group ...