Once Upon a time, a king announced to have an examination. Many scholars went to the Capital to take the examination. After the examination finished, a handsome, young, and gentle man was selected to be a minister. When the king saw him, he wanted his princess to marry him. At the wedding day, he and the princess were celebrated by citizens of the country. However, he seemed unhappy.

"Why?" the young princess thought. After the several days, he still seemed unhappy.

Therefore, the princess asked her mother to think about the problem. The queen had no method to solve it. Soon, she requested the king to solve the problem. 

< to be continue> 

Datura metel L .