Katarina Anderson and her best friend, Abigail Dunham, are off for a summer vacation, visiting Katarina's grandparents. Katarina's 'Granny' knows exactly how to make vacations fun. But the smallest thing can change everything...even something as small as a phone call. Abigail proves what an amazing best friend she is by always being there for Katarina, while all Katarina can think of is what could possibly go wrong next.