After the defeat of Lecluenni, the realm of Kair can finally enjoy a time of peace. Yet far to the east, on an island paradise called Keldar, a mystery still lies in wait. Twenty years ago, the people of Keldar vanished without a trace. No one has ventured there since. When Taiya and Timothy explore an abandoned trail by the river, they discover more than they bargained for. Freshwater panthers lurk in the forest and eerie voices haunt the night. Join the twins and their friends as they seek to solve the secret of Keldar and bring things of the darkness to light.