An emperor decided to establish a heir apparent due to the tragic incident involving a neighboring prince's heir apparent, but found that his four princes had each shown their magical powers in order to avoid the heavy responsibility of being crown princes. The eldest prince became a monk, the second prince entered a Taoist temple to practice, the third prince disguised himself as a cut sleeve, and the fourth prince even hesitated to commit suicide in the palace. When the emperor was so angry with these "treasonous sons" that he had no choice but to learn that there was actually a fifth prince in the cold palace who was born to a sinful concubine.
