Meet David, a 25-year-old student who knows it all. History, mathematics, medicine, linguistics, philosophy, and human and animal psychology-he's an expert in every field. Just one problem: He can't understand the girl who captured his attention. Meet Alexine, a 20-year-old whose life is ruled by her phobias. Creating thousands of rigid and unbending rules, she lives a life controlled by fear. They both live in Amiens, a quiet city in France...