Fiona Turns into a Mermaid

Its what the title inscribe. How would you feel to find an interesting necklace that will turn you into a mermaid? but with being a mythical creature there is one rule that all merpeople try so hard to follow so they dont die,dont be reconised by there past-family friends etc. even if they are disguised dont be reconised. The sequel is Fiona's Surprises.