Lee Soo-bin

Ah-young, a grown orphan with government aid cut off, starts working as a nanny for Young-chae, a single mother who works at a bar to make ends meet.

BJ Yagwang and PD Park broadcast a live stream themed around horror on AfreecaTV. They look for more provocative and fearful material for their program. One day, they receive a video which contains a female high school student disappearing. In the video, right before she disappears, the female school student was calling a ghost and playing hide-and-(go-)seek alone. While broadcasting live on AfreecaTV, BJ Yagwang goes to the abandoned building where the female school student went missing.

Following the brutal rape and murder of his 16-year-old daughter, Sang-hyeon stumbles into an ever-widening conspiracy of rage, revenge, and murder.

Sang-eun is a pretty 20 year old girl, that is warm hearted and possess an extraordinary gift for folding paper into various figures. She has a loving mom and friends, but she is also mentally retarded. She has the intelligence of a 7 years old. Sang-Eun learns everything slowly, but there are still a lot of things she does not know about. She is fixated with the idea that she will meet the prince of her dreams, like in the fairy tales she so often reads.