Alice-Miranda is set for a luxurious cruise aboard the royal yacht Octavia, where the wedding of Aunt Charlotte and the famous actor Lawrence Ridley will be taking place. All her family and lots of her friends will be there! But it's not just the rumours of a jewel thief on board giving Alice-Miranda one of her strange feelings. Why does the ship's doctor look so familiar? And who is the shy blond boy hiding in one of the suites? Can Alice-Miranda solve the mystery in time for the celebrations?