Ariel is more than your average 16-year-old mermaid; she is also the beautiful daughter of Triton, the king of the seas! Ariel is curious about what exists above the waves--in particular, in human culture. One night, while she is on the water's surface, she saves human Prince Eric from drowning and falls in love with him! Ariel is willing to do anything to stay next to her prince?and that's all Ursula, the sea witch, needs to realize her evil plan to Triton's place as underwater ruler!