The series "Age of Youth" is a Korean comedy melodrama about a female student dormitory. Shy and modest Yu In-jae moves into a room on her new university campus. She shares the dorm with four other girls, and it turns out that their views on living together are very different. One of them suffers from constant insomnia, another is obsessed with her boyfriend, the third often abuses alcohol, and the fourth can't take her eyes off the mirror. In short, there won't be a dull moment!