I AM THE KING

King Tae-jong’s third son, Chung-nyeong thinks he’ll never become king and just indulges himself in reading books. However, when the first son, Prince Yang-nyeong, gets dethroned and he is appointed the crown prince, Chung-nyeong runs away from his burdensome title. However, he ends up getting switched with a slave who looks exactly like him, Deok-chil. As Deok-chil lives the perilous palace life instead, Chung-nyeong falls in a great deal of trouble that paves the way to becoming King Sejong the Great in a hilarious historical drama.