It is the start of the Christmas holidays in North Queensland, the wet season in the tropics. Twelve-year-old Kylie and her friends, Margaret and Allison, travel to her grandmother's dairy farm on the Atherton Tablelands. On arrival they are confronted by thieves, sparking an unexpected adventure in search of lost family treasure. They are drawn into the rain-soaked, tropical jungle in the rugged country below Mt Bartle Frere, the highest mountain in Queensland. But nature is not the only enemy in their search for gold. There are rivals, some known, others unsuspected. Join the adventure as it climaxes in a desperate struggle for life and death against both man and nature, testing Kylie and her friends to their absolute limits of endurance.