A mystery adventure series that features the mystery team's task to uncover suspicious events and secrets in a girls' high school.

From the mind behind "The Genius" and "The Great Escape" A mystery adventure series featuring Korean comedian's Jang Do Yeon, Lee Eun Jae and singers BIBI, Choi Ye Na and Park Ji Yoon at the prestigious Saera Girl's High School, the team are given tasks and attempt to uncover the secrets behind suspicious events occurring at their new school.