On a remote island in the Pacific, Tarzan lives in perfect harmony with the jungle and its inhabitants. Everything seems to be going well until a group of explorers arrives in search of lost treasures, unleashing a series of events that will test the peace of the region. However, what they do not anticipate is an encounter with mysterious sea creatures, the mermaids, who guard ancestral secrets of their underwater home.
When an ambitious explorer captures a beautiful mermaid, Tarzan is forced to intervene to protect her and, in the process, prevent his world from becoming a battlefield. As the story unfolds, our hero plunges into an exhilarating adventure full of action, rescues, and a bit of romance. The mermaid, with her enchanting voice and her connection to the ocean, challenges the hero to reconsider his relationship with nature and humans.
The explorers, driven by their unrestrained greed, attempt to exploit the magical powers of the mermaids, unaware that they are about to awaken an ancient vengeance. Tarzan, accompanied by his inseparable friends, must join forces with the sea creatures to confront this imminent danger. In the midst of the struggle for survival, they will discover that the most important thing is to protect the balance of nature and accept that some things are meant to remain in their home. The adventure culminates in a spectacular showdown that intertwines love, loyalty, and an epic battle in the heart of the jungle.