The Killing Line

When Eun-soo gets lost in a country road, he meets a mysterious girl and is led to her fairytale ike house in the middle of the forest. There, Eun-soo is trapped with the girl and her siblings who never age. Eun-soo finally discovers a way out which is written on a fairy tale book. But the book tells a story of none other than himself!

Three years ago, a father saved his daughter's life. After she's involved in a car accident, it looks like he'll have to do it again, no matter how many attempts it takes.

Dong-hyun is a high school student. One day, he falls from the rooftop and bumps into Pan-soo who is a passerby. Pan-soo is a member of a criminal organization. When the two men wake up in the hospital, they discover that they have switched bodies.

After Yi-gwak, a demon hunter, loses his beloved Yon-hwa, he enters a realm that has only spirits. He meets her there, but she has no memory of him.