An affluent medical professor, Komiya, and his bossy wife, Tokio, are to look after Setsuko, their high-spirited niece from Osaka. Setsuko is a liberated woman who does what she wants, including smoking, even though she is a minor. On Saturday, the professor does not feel like going to his weekend golf game, but his wife packs him off anyway. So he leaves his bag at the apartment of his student Okada, and goes to a bar with a friend. Setsuko traces him there, and insists that he take her to a geisha house. When she gets rather tipsy, the professor calls Okada to take her home, while he sleeps at Okada's. The wife becomes suspicious of Setsuko when she sees Okada bringing her home, and also of her husband when she discovers that he did not go golfing.
小悟空个子虽小，却拥有一身的本领。经过一波三折，他们最终一同踏上寻找龙珠的旅程。另一方面，在遥远的地方有一个咕噜曼斯王国，当地盛产极为珍贵的红宝石。受利益驱动，国王的军队将当地百姓赶出家园，大肆破坏田地。而穷奢极欲的国王吃尽天下的美食，如今却想尝尝神龙肉的味道。一场围绕龙珠展开的奇幻大冒险就此拉开序幕…… 本片为《七龙珠》的第一部剧场版动画。
