Produced by Toei Animation Co., Ltd. with a screenplay by Tezuka Osamu in collaboration with novelist Kita Morio, the film follows Sinbad and a boy named Ali who initially sneak aboard the transport ship “Boulder” as stowaways. By winning the captain’s favor, they secure legitimate positions on the vessel. Soon thereafter, the beautiful princess Samir boards the ship to escape a malicious minister who intends to marry her. Sinbad then embarks on a series of adventures to protect her, encountering dramatic twists, including a fierce confrontation with a strange bird guarding precious diamonds, faithful to the original tale.