A person goes missing at the beach and they can"t find anything on what might have happened. After looking for awhile everyone gave up in their efforts to try and find a body or any evidence. They then become the ruler of the underwater world for centuries. Later they come to return to the normal word.
a teen girl that turned into a mermaid at the age of 16 after a storm crashed on the shore where her family lives,now she found out that they descended on the last mermaids,after she discovered that her sister's is also a mermaids she have to accept the fate that the ocean choose for her