You, a film college student, found his cousin Zhang Sihan suffering from breast cancer.Zhang is dull, calm and has always implemented exquisite egoism. At this moment, she actually decided to give up treatment. You didn't want her to die and tried every means to send Zhang to the hospital. The reason why Zhang Sihan refused to see a doctor also surfaced - she always received registered text messages from a stranger named Wang Xiuzhi,they see a doctor at the same time every time.She has quarreled with her mother for many years, and her mother's name is Wang Xiuzhi.