知否知否应是绿肥红瘦电视剧全集免费Synopsis (EN) Soohyun, a fourth-year elementary school teacher, is about to get married. One day, Yohan, a student in her class, comes to Soohyun, who was busy and happy. Yohan confesses to Soohyun that he is experiencing domestic abuse. But the next day, John's lies await Soohyun.