Dublin city is under threat; it\'s running out of clean water Michael and Evie enter a strange subterranean world called the Coreland deep beneath Dublin to try and get to the bottom of the problem.
Where can it all be going? All too soon, the children realise that while they\'d like to stay and help the dwellers in solving the disappearance of their water, the Coreland is a dangerous place and for.
There, they meet the dwellers who tell them that the Coreland is also running out of clean water.
Dublin city is under threat; it\'s running out of clean water Michael and Evie enter a strange subterranean world called the Coreland deep beneath Dublin to try and get to the bottom of the problem