W

Heart surgeon Oh Yeon-joo learns that her father, a famous comic book artist, has disappeared without a trace. A stranger takes Yeon-joo to another dimension where she tries to save Kang Chul, a character created by her father.

Sung Moo, who has disappeared for a while, is back. Yeon Joo tries to figure out what has happened to her last night, but Sung Moo doesn't tell her anything. Meanwhile, Sung Moo starts drawing again to kill Kang Chul.

Soo Bong starts to believe what Yeon Joo says about getting dragged into the world of W. Yeon Joo gets dragged into the graphic novel once again, and Kang Chul takes her to his place. He starts to ask questions about her.

Kang Chul tells Hyun Seok that Yeon Joo is the only one who can reveal the secrets of his life. Meanwhile,Yeon Joo gets arrested because of So Hee. Kang Chul visits Yeon Joo in prison.

Yeon Joo's professor urgently calls Yeon Joo and asks her to get a spoiler about a popular graphic novel series, W, from her father. He promises that he will give her the opportunity to perform a surgery if she does

Yeon Joo hurriedly heads to Sung Moo's workroom, but Sung Moo has already been shot by Kang Chul. Kang Chul leaves his last letter to Yeon Joo, and heads to the Han River Bridge to make a proper ending for himself.