Jeongguk is a single father to a 4 years old daughter, who had swear to not involve in love relationship anymore, scared that his beloved daughter would be harmed. He is happy with her, living quietly just only both of them in their small little home. But, when a man who is well-known as Dark, leader of a gangster group stumbled upon the little girl, he immediately smitten to her and keep seeing her and of course her father too. Jeongguk didn't want her daughter to become close to that dangerous man but he underestimated his little girl's stubbornness. That man is too good at charming her. What will happen to their quiet and happy home?
6 parts