To tackle her mother Zhao Shufen's decades-long hoarding problem, daughter Zhou Yun hires professional organizer Han Cheng and demands that the cluttered old home be completely cleared out within three days. However, the elderly woman, who treasures old belongings as dearly as her own life, fights back with all her might, while her impatient daughter keeps pushing harder. Their irreconcilable confrontation threatens to spiral out of control. Faced with a tight deadline and countless obstacles, Han Cheng has promised not to throw away a single old item. Can he use a chronological filing system to organize their possessions and unravel the long-buried family tensions, allowing both the cramped, suffocating old house and their nearly shattered family bond to welcome the warmth of the sun again?