The novel "I Am the King" mainly revolves around the adventures of the protagonist King Arthur. The story begins when King Arthur is injured in the war and is told that only by finding the King's Sword can he save the country. Subsequently, King Arthur embarked on a journey to find the King's Sword. After many difficulties and challenges, he finally found the King's Sword. However, behind all this is an assassin's conspiracy. In the end, King Arthur relied on the power of the King's Sword to successfully defeat the assassin and save the country.