When we are young and ignorant, everyone is young and frivolous, everyone has secrets that cannot be told, everyone has... Four innocent and pure girls, the romantic and romantic times they spent together, and the ignorant times they walked through together. What choices will they make in the face of love, how will they deal with the suspicion among friends, and how will they deal with the dual pressure from teachers and parents... Four best friends in high school, when they become mature and when they go out into the society, will everything... Change?