However, her mother appears to remember nothing about mermaids or even Emily's own father. Now Emily and her newly found friend Shona Silkfin embark on a trip through the mermaid realm to find out the truth about her, her father and mother, and the unusual Mr. Beeston, the lighthouse keeper.
But her mother appears to have no recollection of sea nymphs or even Emily's own parentage. As a result, Emily and her newly found companion Shona Silkfin embark on an expedition through the underwater realm in search of the facts about her, her father, and mother, as well as the mysterious Mr. Beeston, who tends the lighthouse.