In her senior year of high school, Zhou Yinan transfers back to County No. 1 High School and moves into Dorm 616.
She only wants to get through the days in peace until the college entrance exams are over. But amid the silence after lights-out, the comparisons, misunderstandings, and growing closeness, she gradually comes to understand others and herself.
This is the story of six girls enduring their senior year of high school together and bearing the marks of youth together.
