High School Mystery Club

Five transfer students, Park Ji Yoon, Jang Do Yeon, Jae Jae, BIBI, Choi Ye Na, transfer to Saera Girls' High School. Although the school looks rather inviting, something seems a little… read more

The culprit of the pizza incident is revealed thanks to the transfer students. As everything is solved, the students go to their class. However, the other students are cold towards… read more

The girls put their heads together to enter the Mystery Club. Surprisingly, they manage to find clues and crack hints to obtain the number code to the Mystery Club's door. When they… read more

Two weeks later, the girls return to Saera Girls' High School. However, on their first day back, they tackle the S-Class entrance exam with no help whatsoever. Later, they return to… read more

The results of the S-Class entrance exam are out and only four students are selected. Meanwhile, Mr. Kim is suspicious of two students who have the same correct answers and even wrong… read more

The members go through the CCTV footage to solve the mystery of the English exam. They manage to reveal the truth, but some of the teachers are acting suspiciously. Meanwhile, the… read more

Upon arriving at school, the Mystery Club girls get shocked when they see the police investigating the dead body of a girl who committed suicide. They soon realize it was In Hye, the… read more

After the girls speak with Hee Sun, a former senior of the Mystery Club, they suspect In Hye's death could have been due to the green pills. They head to the School Health Office to… read more

The girls are shocked to see In Hye posting new feeds on her Instagram. They wonder and start making guesses on how this is possible. Thanks to one of In Hye’s new posts, the girls… read more

The girls go to school on Sunday. Only teachers on duty and S-Class students are at school, and the girls focus on organizing the information and clues they have gathered so far. From… read more

The girls bring in a box filled with In Hye’s things and go through her belongings carefully. They find a pink diary that was a friendship diary In Hye and Ae Ri shared for years.… read more

The girls find another lead to solve the mystery. With the help of the mysterious supporter, they find out that one of the teachers has Ae Ri’s cellphone. They go through the Teacher’s… read more

The girls return to school on their last day. As soon as they enter the school, they find Mr. Dokgo’s janitor room open with a shovel lying in front of it. They find the scene quite… read more

The girls receive a reply from the producer and are shocked to find out what green pills are made of. They keep Mr. Kim’s notebook with square logic as they assume these are the… read more

The girls in the Mystery Club find evidence of the Superhuman Project and get down to the root cause of everything going on at the school. They attempt to decipher a prophecy from… read more

The girls try to solve the correct position of toggling the confusing switches. But no matter how many times they try to match it with the manual, nothing sounds quite right. Meanwhile,… read more