In a prestigious Seoul high school, students' academic performance and parents' social standing are paramount. When two esteemed teachers, Mr. Kim and Ms. Choi, organize a Saturday study session for top students ahead of a visit from English pupils, a series of gruesome murders unfolds, with students vanishing one by one, often in full view of their classmates via CCTV. A mysterious voice on the intercom system threatens death to anyone attempting to escape, while posing a series of questions for the students to solve. Led by Mr. Kim, the remaining students must decipher the pattern behind the killings and uncover the truth behind the sinister events, all while confronting the possibility of a rational or supernatural explanation.
Death Bell
In a ruthless academic showdown, a group of highly accomplished students engage in a brutal competition that challenges their very limits and forces them to confront their darkest selves.
