 Seeing the forced smile on Officer Xia's face at the retirement party, Xia Tian silently tells herself that she must help her father find his gun back.Ah Jiang, Fang Wei and Bulu are discussing how to help Officer Xia find his gun when Xia Tian shows up.She asks Ah Jiang to consider the principal's exchange conditions – don’t be expelled and stay in school to help Officer Xia to find his gun.