
When an explosion in the Tui Glen cave traps a group of senior students, Gilbert Hastings' partner Christina and the Department of Conservation guide, Kere Hawker, Gilbert Hastings is asked to discover who set the bomb and why. He searches for another way to get into the cave...

An explosion in the Tui Glen cave traps ten students, Christina Hastings and Kere Hawker, the Department of Conservation guide. With no hope of immediate rescue, the people underground must find ways of staying alive. Staying alive is a daily struggle for Brenna and those trapped...