Taejo of Joseon
Lee Seong-gye is an ordinary man, the second son of Lee Ja-chun, who passes a state military examination in his early age and becomes a general who defeats his enemies and become Chief. Seong-rye takes power against King Gongyang who is responsible for the death of his father and older brother. He leads his army and defeats Gongyang's soldiers. Seong-gye becomes King and is renamed as Taejo of Joseon.