It is the start of the Easter holiday for the twins, Isabella and Jessica, and their friend Edward. It looks as though it will be a dull holiday with no travel or interesting excursions - as their parents are too busy with the upcoming Royal Wedding. However, things rapidly change when the three friends uncover a plot involving the Princess and the Royal Wedding. The holiday turns into an exciting adventure for the three friends as they race against time to save the Royal Wedding. Will they make it in time?