Craig and Linda Plot to Capture The Loch Ness Monster On holiday at Loch Ness, Craig hopes to capture Nessie. His little sister Linda ruins every chance. A glowing blue stone leads them to Nessie’s secret grotto, with Viking pirates and a treacherous mermaid. They learn that Nessie has children. And they learn the true purpose of the blue stone. Craig has to is it worth risking his life to save the Loch Ness Monster?