Kim So-eun

In-su has a special power to see ghosts. One day, In-su meets a ghost who lost her memory and roams around the school. He opens up to her as they build up a quite special friendship and gradually accepts his power to see ghosts which he once thought of as a curse. In the meantime, students mysteriously go missing one by one while the story of the strange bloody mask ghost spreads throughout the school.

After a night at the club, an engaged man wakes up to a hazy memory and a phone call from a mysterious criminal blackmailing him for 33 million won.