The story of Mai An Tiêm is a popular Vietnamese folktale about a young man who was exiled to a deserted island. While on the island, he discovered a variety of watermelons growing there. He cultivated them and eventually became prosperous, using the fruit to trade with passing ships. After some time, Mai An Tiêm was rescued and returned to his homeland. He shared his newfound wealth and knowledge of farming with his community. The tale emphasizes themes of resilience, hard work, and the importance of making the best out of difficult situations.