Jung-Woo (Kim Sung-Su) is a neurosurgeon and also works in bioengineering research. He is married, but has an ongoing relationship with Yoo-Gyeong (Han Go-Eun). She is a doctor and stands by Jung-Woo. Yoo-Gyeong has a mysterious accident one day and her hand is cut off in the accident. Thanks to Jung-Woo's quick thinking, her hand is reattached successfully with surgery. Yoo-Gyeong's health improves after the surgery, but bizarre events take place around her constantly.
Yeong-cheol's wife
Yeong-cheol is a totally incompetent man in his 40s. He runs a small chicken restaurant, but his fried chicken is the worst-tasting chicken in his village. He loses all his money, which is actually a paltry amount, in the stock market and leads a pathetic life. Worse, he gets bitten by a zombie and becomes one. One day, his family is plunged into a serious crisis because of the money that Yeong-cheol borrows from loan sharks. Yeong-cheol, who sees himself as totally powerless, fights them to save his family.