What would happen if two sworn enemies, two opposed women in temperament and lifestyle find out to share the most incredible legacy: the child of their ex - husband?

Miami is one of the most sought by young Italians. It is there, in fact, is going to study at university Luca, a Roman, the son of John and Valentina, Milan, daughter Olivia. During the plane trip from Rome to Miami, Olivia and John argue furiously.