A Water fairy tells the mermaids a sad love story: the legend of mermaid Aroona. But Jasmine doesn't believe the tale. So when she discovers a trail that leads to Aroona's lost treasure, she sets off to discover the truth. Jasmine plays a trick on her friends that they do not find very funny, which makes it difficult for her to convince them later that she is telling the truth when she finds the trail of scales that is said to lead to the lost treasure of Aroona. Book #2