Lu Li, an ancient soul who has been burdened with the fate of suppressing the "Shadow of the Void" for thousands of years, possesses the body of a modern youth and runs a cafe in the corner of the city. When the "Shadow of the Void" quietly resurrects in the form of a mysterious disappearance, Lu Li discovers that his thousand-year seal is actually the "key" to his breakthrough. He must make a choice between fate and the truth to find true freedom.