Plot synopsis: Jiromaru (Kinnosuke Nakamura) investigates the dark "Ghost Ship" in search of his father. Meanwhile, Princess Yuki (Yumiko Hasegawa) and Chacha (Eiko Maruyama) are kidnapped by pirates, so after dedicating himself to rescuing them for the second time, he decides to accept his grandfather's challenge to become a navigator, just like his deceased father.