Synopsis: A historical drama that depicts the life of the 19th king of Goguryeo, Hwanwoong. He falls in love with Saeoh and soon they have a son. Kajin, a woman who also likes Hwanwoong becomes jealous and throws him off a cliff. Saeoh, thinking that her son had died, is overcome with grief and turns into the black joojak to destroy the world. Hwanwoong is the only one who could stop her. Afterwards, Hwanwoong returns to the Heavens and prophecizes that 2000 years later, the true Joo Shin king will come to Earth. With the help of the four gods, he will rebuild Joo Shin. Also known as: 태왕사신기 / The Story of the First King’s Four Gods / Taewang Sa Shin Gi / The Legendary King Watch drama online for free.