When Rory finds Lorali sheltering under a pier in the midst of a huge storm he doesn;t realise just how dangerous things are going to become. Lorali is an runaway from the merworld , but what she is running from, and how important is it to the inhabitants of the merworld that she does not get too far, will have a huge impact on both Rory and Lorali in this exciting and beautifully realised novel .