A web-comic artist finds that a series of murders are occurring that have a disturbing resemblance to the images in her work.
| Actor | Role |
|---|---|
 Lee Si-youngJi-yoon | Ji-yoon |
 Uhm Ki-joonDetective Lee Ki-cheol | Detective Lee Ki-cheol |
 Hyun WooKim Young-soo | Kim Young-soo |
 Kwon Hae-hyoJo Sun-gi | Jo Sun-gi |
 Kim Do-youngSeo Mi-sook | Seo Mi-sook |
 Kim So-hyunYoung Mi-sook | Young Mi-sook |
 Mun Ka-youngJo Seo-hyun | Jo Seo-hyun |
 Oh Kwang-rokChief Detective | Chief Detective |
 Oh Youn-hongSun-gi's wife | Sun-gi's wife |
 Kim Ji-youngYoung Jo Seo-hyun | Young Jo Seo-hyun |
 Jeon Su-ahImmature Mother | Immature Mother |
 Han Hee-jungNeighbor Woman | Neighbor Woman |
| PPark Moon-aYoo Seo-hyun | Yoo Seo-hyun |
 Lee Yong-nyeoDoctor | Doctor |
 Lee Sang-hunInternet technician | Internet technician |
 Seo Jin-wonEditor | Editor |
| KKwak Yeong-jaeInternet technician | Internet technician |
 Shin Young-gyuMale Student 2 | Male Student 2 |