The very first Famous Five adventure, featuring Julian, Dick, Anne, not forgetting tomboy George and her beloved dog, Timmy! There's a shipwreck off Kirrin Island! But where is the treasure? The Famous Five are on the trail - looking for clues - but they're not alone! Someone else has got the same idea. Time is running out for the Famous Five, who will follow the clues and get to the treasure first?

Surely a peaceful holiday in the Welsh mountains will keep the children out of trouble. But the mystery of a rumbling mountain soon has them thirsty for more adventure. Philip, Dinah, Lucy-Ann, Jack, and Kiki the parrot are determined to explore the mountain and uncover its secret, but first they must escape from a pack of ravenous wolves and a mad genius who plans to rule the world.

All the children are aboard for a quiet cruise among the Greek islands. But when Jack's pet parrot breaks a birthday present, all the children are plunged into an exciting quest to find the lost treasure of the "Andra" with some ruthless villains hot on their trail.