Movies I am King give a mark

I am KingFree
Protagonist:
Ji-HoonJuYun-shik
Director：
Kyu-sungJang
Region：
South Kore
Year：
2012
Exuberant：
92
Grade：
6.3 分
The film Movies I am King has a score of 6.3 , with 3 people participating What will happen when the slave accidentally become a king and the king accidentally become a slave?