Fayman Preparatory School is renowned for its rigorous academic standards and enigmatic history. The school is overseen by five influential board members who maintain a strong presence within the institution. Each year, these board members vow to only release the most outstanding and deserving students into the world, raising questions about the fate of those deemed unsuitable.

Among the students attending Fayman is Marie DeBlanc, a 16-year-old orphan, along with five other orphans. Due to their academic performance, they are mandated to attend summer school. When Marie requests access to her records to verify this decision, she encounters an unexpected denial. As they stay behind for the summer, they are introduced to six new teachers who exude an air of peculiarity. As the summer progresses, unforeseen events and enigmatic occurrences unfold, thrusting Marie and her friends into a confrontation with the lurking darkness surrounding the school and the influence of the school board.

What happens to students who are deemed unfit? What secrets does Fayman Preparatory School have, and what do the oaths mean? What will become of Marie and her friends in summer school? What happens next?