Sumno and Duffy pugg (brothers) are told they must travel to a volcanic island to help an aunt they have never met. When they arrive on the island, they soon discover that their mysterious auntie is up to no good. They are sent on an expedition that take them on a wild boat ride straight into an errupting volcano. Facing extreme danger, they hike inside the volcano and eventually escape--after Sumno saves Duffy's life. Here is an action adventure that will immidately hook young readers.