Dean Lambert is trying to conquer his vertigo - but he's beginning tofeel like he'll never jump from the high diving board he's nicknamedthe Horror of the Heights. It doesn't help that his brother, Tim, is achampionship diver, and his dad runs the Wave Crest Leisure Centre. Hisdad and brother are caught up in preparations for the leisure centre'supcoming diving championships. But then disaster strikes when thediving board collapses and Tim only just escapes being seriouslyinjured. What's more, it appears the board has been sabotaged. Deansets out to findthe culprit - but will he catch them in time?