A new comer in the company Sae-young gets constant scolding from her boss Lee-sun. One day Lee-sun jokes Sae-young to make a bet of her finger on finishing work in time. Sae-young takes it serious and once she wins a wager, she really asks Lee-sun to cut off her finger. Lee-sun gets the chills from her spunky attitude and asks her boyfriend to research more about Sae-young's past. Soon she finds out that Sae-young used to be called "Witch", because many people around her were mysterious killed. Not knowing the terrible danger comes closer, Lee-sun sneaks into See-young's house. There, more terrifying thing than Sae-young waits for her.

• YOO Young-seon He majored in Political Science in college. After working as an assistant director in five movies, he began his work as a screenwriter, working in both music videos and short film writing.