The fire five years ago took away Sun Qiqi's memory and childhood. Now she returns to her hometown with fragmented memories, only to find that this closed town hides deeper secrets - everyone is silent about the tragedy, and every look reveals fear and vigilance. Threats and obstructions ensue as she insists on piecing the pieces of the truth back together. It was not until the last moment that she understood that she had never been a victim of that tragedy, but the truth that everyone wanted to bury forever.