It is a romantic sitcom about the lives of young men and women in their early 20s. It describes the stories of casts in an amusement park where 'Fatigue and Healing', 'Stress and Pleasure' and 'Sum and Ssam' coexist.
- Other name: kaeseuteu: inssajeonseongsidae , Cast: The Age of Insajeonseong , Cast: Insajeonseong Era, 캐스트: 인싸전성시대
- Genre: Comedy, Drama, Friendship, Youth
- Status: Completed
- Duration: N/A min
- Country: South Korea
- Network: N/A