You Sheng suffers a car accident, and her brain trauma causes her mental age to regress to three years old. Her husband Qin Wen takes meticulous care of her at first, but later Qin Wen goes out with You Yan and her son, leaving You Sheng alone at home out of negligence. With power and water cut off and food spoiling, You Sheng makes multiple phone calls for help, but is dismissed as making a fuss over nothing. After the tragedy strikes, the truth comes to light. Facing investigation, Qin Wen and You Yan pay the legal price for their apathy and faults. The recordings left behind by You Sheng also expose her inner cry when she was sober; the snapped kite finally flies toward its own sky.