Qin Xinnuan thought her father would take her to Xingfu Kindergarten, but a single call changes everything. Left behind only 500 meters from the gate, the little girl—already battling congenital heart disease—faces a dangerous crisis if pushed too far. At the same time, Qin Lugang is elsewhere,陪ing Hu Weixia to see a specialist for his illegitimate son, Qin Langlang.