Gook Seong believes that there must be something about Ji Cheol’s extraordinary strength. He visits Seon Joo to find out if she knows any secret to her husband’s conditions. Sang Goo also starts to suspect Ji Cheol of taking a drug. In the meantime, Chan Joong finds out that Ji Cheol is the only one who’s alive after taking the new drug and schemes against Ji Cheol.

Cast: Kim Jaekyung Kim Jaekyung