A school field-trip reveals more to three children than they could have ever expected, when they uncover a link between their dreams and reality.
Whilst attending the Royal Botanical Gardens of Kew, three friends, inextricably linked by the loss of a parent whilst only very young, discover a link to their parents past, found in the form of The Director. The Director, insists they follow him to evade an apparent abduction attempt, whereupon they find themselves swept into a magical world, ten miles beneath the earth, as the real truth behind their parents disappearance is revealed to them.