: The plot centers on a bullied student named Jin-mo, whose past trauma fuels the central mystery and the subsequent serial killings.
: The film critiques the intense South Korean school system and the extreme pressure placed on students by parents and teachers to be the "best," leading to tragic outcomes for those who cannot keep up or who are targeted by peers. : The plot centers on a bullied student
: The film is noted for its uneven mix of goofy police comedy and dark, tragic social drama. tragic social drama.