Nancheng is a small county on the coast of eastern Guangdong. It was the place where red-headed boats sailed across the ocean. It was once a boat town. Now, after many years of thoughts, the darkness that has accumulated in the small town surges over, and the setting sun is pulled down from its head and covers the entire sky. This is a story about a wanderer returning to his hometown. The protagonist, who escaped from Nancheng as a teenager, returns from Bei Diao, tearing apart the tranquility of the people and sinister people. What kind of face does the dusty past have?