The mystery on the Great Barrier Reef / Marsh, Carole

Christina, Grant and their two friends join their parents on a trip to Australia, and find themselves in the middle of a mystery in Sydney involving mysterious men with Loch Ness monster tattoos.

Christina and Grant, along with their grandmother go on a trip to "Down Under" and discovers a lot of surprises and mysterious activities.

Christina, Grant and their two friends join their parents on a trip to Australia, and find themselves in the middle of a mystery in Sydney involving mysterious men with Loch Ness monster tattoos.