While Luffy, Zoro and Nami endure hunger aboard their cramped vessel on a stormy night, a colossal beast assaults them with ferocious strength. Nami is seized, whereas Luffy and Zoro are cast ashore. On the beach they encounter a young girl named Medaka, who reveals the island's tragic past. The ruthless pirate Ganzack has captured every male resident and bound them, including Medaka's father. Consequently Luffy, Zoro and Medaka must penetrate Ganzack"s stronghold to liberate the villagers and retrieve Nami for the safety of all, together.