Kim Jin-Yeong is a scenario writer who's never sold one story before. She's obssessed with zombies and writes only about them. She's never been in a relationship before and is now thirty. She lives quietly with her half-sister, who is doing great. Then one day, movie director Hwang Tae-Il shows up in front of her. He's actually a senior from Jin-Yeong's school who was playful and happy. He suddenly decides to direct her zombie scenario and slowly reveals his affection for her...