Mia is about to turn fifteen and can´t wait to dance the night away with Michael at the biggest, most romantic event of her life so far: the senior prom! But nothing´s going according to plan. Not only does Mia face a snoozefest summer of sceptre-wielding in Genovia. Even worse is the fact that Michael hasn´t even invited Mia to the prom at all. Hello, what is going on here? Just as Mia comes up with a perfect plan to change her man´s mind, disaster strikes. A disaster that only a genius like Grandmere can overcome...