Ariel, matashiya kuma kyakkyawa mai shekaru goma sha shida, gimbiya mulkin Atlantica, ba ta gamsu da rayuwarta ta karkashin ruwa ba kuma duniyar ɗan adam ta burge ta.

Tare da babbar kawarta kifi, tana tattara abubuwa daga wannan duniyar kuma sau da yawa tana zuwa saman saman don ziyartar teku.

Ta yi watsi da gargaɗin mahaifinta, Sarki Triton, mai mulkin Atlantica, da Sebastian, wani kaguwa wanda kuma shi ne mashawarcin sarki kuma madugu, waɗanda suke gaya mata cewa an hana mu’amala tsakanin mutane da mutanen teku.