He was supposed to be the king who unified the world, but because of his father's dislike of his mother's concubine and her mother's concubine's ambition, the throne was passed to his father's favorite nine kings. Although he was the prince, he suffered a lot. Fortunately, the nine kings made good friends with him, so he was spared the crime of beheading, and became a deposed king. But how could he be willing to see his mother-in-law die in vain? He wanted to take back the throne, give an explanation to his mother-in-law, and give an explanation to his mother-in-law's clan. As a deposed king, he possesses superhuman wisdom and martial arts. He has to start from scratch, gradually expand his connections and strengthen his martial arts to compete for the throne with his ninth brother who has become the new emperor. On this road full of blood and tears to seize power, he met many people who did a lot for him, but only one of them became an irresistible friend with him... Whether two people with completely opposite personalities finally come together depends on their fate.