Jeon Seok-chan
The series is about the office workers of Marketing Team 3 at the home appliance headquarters of Gaus Electronics—a multinational company. It highlights the highs and lows of corporate life, and love and friendship between the employees.
Choi Su Jung, a 16-year-old high school student, is brutally murdered by a serial killer. Her friend Young Jin gets to take a phone call from the killer and says that she’ll find and kill him. Over two decades later, Young Jin has become a police officer and still desperately tries to find the serial killer. She has a young, middle-school-student neighbor Eun Ho. He gets shocked by what’s inside Young Jin’s room when he comes over to her place.
Deliveryman Jongsu is out on a job when he runs into Haemi, a girl who once lived in his neighborhood. She asks if he'd mind looking after her cat while she's away on a trip to Africa. On her return she introduces to Jongsu an enigmatic young man named Ben, who she met during her trip. And one day Ben tells Jongsu about his most unusual hobby...
Min-joon, who has failed the civil service exam for 10 years, gets a lucky pencil from his friend, Kyung-joon, saying, "When you do it, you get a perfect score."
