This world where all hybrids live together and have they own kingdom. Tiger, Lian, Bear, Black Panther and Leopards. Leopard hybrids is the strongest hybrids ever live. But there a legend where there is also a mermaid and siren in the deep ocean. They believe they're exist but never once see their true form.

One day, Anthony, the prince of Leopard goes to the beach but then he see a weird cave. He get inside to look around, it's filled with crystal and beautiful scenery.