The beautiful and moving little mermaid Ariel is a beautiful mermaid who yearns for adventure and romance, longing for the colorful world beyond the underwater. But as the youngest daughter of King Trinton, she can only be prohibited by the laws of the Mermaid Kingdom from contacting humans. Usually, Ariel’s best friend is the flounder and the Minister of Music Sebastian. Of course, there is also Scato on the sea who often helps her "identify" the human things she finds. In the deep sea, Ariel also has her own The treasure world is all human things she has collected.
In a storm, when Prince Alec’s ship was threatened on land, the rebellious Ariel saved Alec and fell in love with him at first sight. After separating from the prince, she strengthened her determination to go ashore. In a desperate situation, Ariel does not listen to the warnings of his friends Chubby and Sebastian the Red Crab, and asks Ursula, the ugly witch, for help, hoping to become a human being. But Ursula, who is ill-intentioned, is ambitiously trying to seize the ocean world ruled by the king, trying her best to make Ariel fall into the trap.
Ursula and Ariel agreed: to use Ariel’s beautiful voice as a condition for becoming a human being, but on the third day after going ashore, before the sun goes down, a kiss of true love from the prince can become a real human being, otherwise her soul will Always belong to the witch. Use your own sweet voice to put on a pair of legs and walk into the human world! But that beautiful dream has become a race against time, Ariel must redeem the prince's love and father's kingdom. Because if he fails, Ursula will definitely let his father use the kingdom in exchange for the soul of his beloved daughter.
However, Ariel could no longer speak. She has been by the prince's side, because he can't speak, the prince doesn't know that she is his savior. At this time, her beloved prince will also marry another earthly princess. Just as Ariel was heartbroken and almost lost her soul, a group of friends arrived. With the help of the red crab Sebastian and Flounder, Ariel bravely rushed out of the underwater world and defeated the curse. Finally Pursue the feelings I want to have.