Han Hye-rin

Yoo Ji Na (Yang Jin Sung) is a budding career woman who has absolutely no issues with lying to get what she wants. But when she falls for the innocent and naive Yoon Tae Woon (No Min Woo), who is truthful to a fault, their budding romance becomes a liability for Ji Na's cutthroat corporate job. Can these unlikely lovers stay true to themselves and manage to stay together?

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.