While Popeye and his nephews enjoy a picnic, the boys are disgusted to taste that their sandwiches are filled with spinach, so Popeye proceeds to tell them that he also once disliked the vegetable - until it saved his life. In the ensuing flashback, Popeye's mother sends the young(er) protagonist to sell their old jalopy in order to get food, but Popeye is only paid a can of spinach for it. When his angry mother throws the can to the ground, a gigantic spinach-stalk sprouts from it, then Popeye climbs it to explore the heavens. Up there, he finds a giant living in a castle on the clouds. The monster owns a gold egg-laying hen, which is forced to work extra hard. When Popeye tries to rescue the bird, the giant blows him out of the castle, yet he lands into the magically-grown can atop the s