Young Liu Qingtian was accidentally involved in a palace assassination and was forced to leave his hometown and enter the world. Carrying a family secret, he takes the name of Mr. Feng as his disciple, and gets acquainted with the smart and cold-blooded Shen Zhihan, the cynical Wei Wuji, and the "contrastingly cute" Mo Qingchen. Through grudges, misunderstandings, and alliances, everyone uncovers a millennium conspiracy intertwined between the temple and the rivers and lakes. The truth behind the story affects the fate of the country. The protagonist grows up, takes twists and turns, and survives several close calls. His deep friendship, emotional entanglements, and personal choices all change due to the ups and downs of the world. In the end, everyone moves towards a new realm of life, or sticks to their original aspirations, or smiles away their grudges, or retires alone, and the legend finally comes to an end.