Royal politics interfere with childhood sweethearts finding their happily-ever-after. The heartbroken maiden decides to take matters into her own hands and find a new true love to drag back to the family's underwater home in a black lagoon. Just like dear old Dad once did. 'Na pities the girl -- until she sets her sights on Ambrose. Especially when true love's kiss doesn't seem to cure the magic that threatens to curse them both to be watery creatures … permanently.