Sara and Matteo are 20 when they meet. She's a Spanish Erasmus student in Rome, he's an Italian guy who's studying Pharmacy to follow his father and run the family's chemist shop. They fall in love and go living together, just like a fable. But maybe it's imprudence, or maybe destiny, they end up facing an unwanted pregnancy, the birth of a child and the premature construction of a family. Now the very nature of their love is at stake: are they really ready for this?