Lin Jiayin, a silently rebellious high school student who suffered family changes, met Cui Feng, a lecturer at J University, after running away from home several times, and a wonderful story began. During the conversation with Cui Feng, Lin Jiayin gradually improved her three views and began to plan her life again, moving closer to Cui Feng's life trajectory. But their relationship developed from being both teachers and friends to an uncontrollable direction...