Luca and his best friend Alberto experience an unforgettable summer on the Italian Riviera. But all the fun is threatened by a deeply-held secret: they are sea monsters from another world just below the water’s surface.

Mavka — a Soul of the Forest and its Warden — faces an impossible choice between love and her duty as guardian to the Heart of the Forest, when she falls in love with a human — the talented young musician Lukas.

A girl was born and grew up in the deepest jungle of the Amazon, Colonia, that rests on the back of the most powerful Mother Spirit in the Amazon, Turtle Motelo Mama. One day she discovers that her homeland is being threatened and realizes that there are other humans in the world besides her people. As she fights to save her paradise against the greed and exploitation of children, logging, and illegal mining, she begins to struggle to reverse this destruction and impending evil of the Yucuruna, the darkness that lives in the Amazon. Guided by her mother's spirit, Ainbo is determined to save her land and save her people before it's too late.