In this chapter, we learn that the king of the southeast has killed a number of people, and that the emperor is powerless to stop it. The king's son, the southeast king, is named "Han" and his daughter, "Shu" , is called "Shu Su" . The southeast king has a daughter named "Gul" and a son named "Shu Lin," which means "brother" and "sister," respectively. Gul's father, the king, has given Gul his name so that Gul will be able to kill people in the southeast. The emperor, however, has no power to stop Gul from killing people, so Gul has two options: he can wait for the king to return to the southeast, or he can learn to use hidden weapons and take revenge by himself. The first option, Gul says, is better than the second option, because Gul can learn how to use weapons with "ghost knives." Gul praises the brave woman who has chosen revenge, and says that without Gul and his brother, she might as well be "as helpless and hopeless" as Gul is. In late April, the fourth prince's captivity was ended, and the king sent