After Li Mo, a 25-year-old white-collar worker, rented a house, the fresh milk he ordered was deliberately stolen by Aunt Wang next door for six months. Li Mo tolerated the temptation and ingeniously changed the delivery method to cut off his "ration". Then he encountered Aunt Wang's false accusations and unfair treatment from the property management and mud. Finally, he chose to collect complete evidence to defend his rights head-on. This neighborhood conflict caused by a bottle of milk was not only a battle for Li Mo to defend her own rights and dignity, but also made her understand that kindness requires sharpness, and giving in cannot bring peace. In the end, she moved out of the bad environment after successfully defending her rights, ushered in a new and peaceful life of her own, and completed a profound transformation of human nature and growth.