![One Piece: Giant Mecha Soldier of Karakuri Castle](https://image.tmdb.org/t/p/w185/4Pu26TQNiyl8kjNe1sI3NMG2OQG.jpg)
Ana, a nine year old girl, arrives with her mother to an isolated beach with the intention to rest and to know the sea. There, she discovers that they are under a terrible threat, therefore she is obligated to look for help with her father in order to save her mother.