Su Doudou, a talkative and dramatic female college student, is lively and funny with a sense of humor; Gu Chen, the aloof school bully, has a vicious tongue but cannot hide his gentleness. The two were childhood sweethearts, living in the same building and constantly at odds with each other. Campus life has begun, from making mistakes in class to grabbing food in the cafeteria, from falling asleep in the library to being a partner in competition, the happy enemy mode is full. She uses funny acting to cover up her loneliness, while he uses a rational shell to suppress his sincerity. The pull of two secret loves leads to growth in both directions. Internship, graduation, and marriage are progressing step by step, with sweet pets and no abuse, and light comedy heals every moment. Watch how the drama girls pry open the guard of the top student and write a sweet chapter together from youth to gray hair.