French children's animated adventure. In ancient Greece, mouse Pattie dreams of escaping her island home to embark on heroic adventures. When a row erupts between brothers Zeus and Poseidon, Pattie seizes her chance to experience a real adventure and takes to the seven seas on a mission to save her home. Joined by her feline friend Sam and heroic Jason, Pattie goes in search of a mythical trident, encountering a number of fearsome monsters as they journey to the forbidden island.