A classmate's death spurs rumors for some and guilt for one. When an overwhelmed pupil asks to meet, teacher and student come together half-way.

Dying to get to the bottom of an inexplicable case, a detective follows instructions written by a missing boy and experiences a new dimension.

Hak-su's wife reminds him to leave the talisman hanging above their bedroom door. But one lone night, he decides to test his luck and its powers.