Perhaps it was fate that caused a simple modern girl to step into the blood and turmoil of nine sons competing for the throne. Can the fourth elder brother Yinzhen rise to the top and dominate the world as history says? What choice will the eighth prince Yinhu make between the country and the beauty? Those past events hidden in the depths of memory, those imperial feelings that are always elusive. Let's take a look at "This Heart Is Like a Song", step by step, telling the story of love, hatred and hatred of the emperor's family.