A long time ago, there was a Chinese emperor, Zhang Wei, who was strong, powerful, and really took care of his people. However, he got a bad temper and angry very fast. One day, he asked his assistant Hong, to invite the most famous painter in China whose name was Cheng Li to come and paint for him the swan painting. Cheng Li then accepted and he went to the palace then Zhang Wei asked him if he could draw him a painting of a swan. Cheng Li then agreed but it may take him a long time. After a year, Zhang Wei came and collect the painting but it hadn't been finished then he came back the following year and it still remained the situation. He got angry and asked Cheng Li to finish it within the next year. After 3 years, Zhang Wei came and asked him, at this time Cheng Li spent less than 2 minutes so Zhang Wei was angry because he made fool of him. Zhang Wei sent Cheng Li far away from the island then he realized that Cheng Li took 3 years to practice drawing a perfect Swan and asked him to come back as a royal painter and then the story ended.