As a state of emergency is declared, the residents tie up Pyeon Sang-wook for being bitten. Hyun-su is unable to ignore a family in distress.
Quest roles:
Kim Min-kyu(Choi Yun-jae), Jeong Ha-dam(Kim Ji-eun), Ahn Dong-goo(Lee Soo-woong), Kim Hee-Jung(Cha Jin-ok), Woo Hyeon(Kim Seok-hyeon), Kim Hyun(Ahn Sun-young), Woo Jung-kook(Kang Seung-wan), Kim Kuk-hee(Shon Hye-in), Lee Won-seok(Ryu Jae-hwan), Lee Ji-ha(Moon Hyun-sook), Park Seong-geun(Cha Hyun-chul), Kim Yi-kyeong(Cha Su-ah), Heo Yool(Kim Soo-young), Ham Seong-min(Park Joo-young), Ahn Do-gyoo(Kim Do-hun), Hong Seok-bin(Hyun-su's relative), Im Su-hyung(Rho Byeong-il), Choi Go(Kim Young-soo)