Jack is a brave and kind boy who climbs a magical beanstalk into a place named Giant Land after trading his cow for seven magic beans. There, he finds out that a golden harp that could speak and sing, and a goose that laid golden eggs are missing. The giants explain to Jack that these items have been missing for 1,000 years, and without them, their world will end in chaos. Jack promises the giants he will return the golden harp and the goose that lays golden eggs.
The evil king from Jack's country is the one who has the goose and golden harp in his family's possession for centuries. Wanting to do the right thing, Jack climbs the beanstalk again and returns the golden harp and the golden goose to Giant Land after taking them back from the evil king and his kingdom. The giants are surprised but grateful, and the land begins to heal. The harp's music brings happiness, and the goose helps the land grow strong again.
In the end, Jack learns that real treasure is not about keeping riches, but about kindness, fairness, and making good choices. He returns home proud, knowing he helped restore peace and balance to both worlds.