The story revolves around a mysterious phoenix-tailed harp that can connect the past and present. Lin Xi, a modern harp restorer, accidentally restored the ancient artifact, and the sound of the harp resonated with Ji Yan, the prince of the Western Zhou Dynasty thousands of years ago. The two knew each other across time and space, but they triggered the backlash of the laws of time and space. Lin Xi found that every time she traveled was accelerating the demise of a prophesied dynasty, while Ji Yan was deeply involved in the struggle for the throne and the crisis of the national destiny. The two must make a choice between infatuation and family and country, small love and righteousness, and uncover the secret behind Honghou that connects the two people's fate and spans three lives.
