Krystal, the daughter of two hard-working parents, was a bit disappointed to know that her parents are going to Europe without her. She has always wanted to go Paris and Italy, and not being allowed to go with them is just a nightmare for her. Then, another surprise comes when her mother says that she will have to live with her childhood friend / rival, Minhyuk. He used to pick on her and find ways to prank her all the time. Wi

A Private Detective and a Inspector story. They ran into each other so many times in their case investigation and they were like cats and dogs, always argued with each other. But one day, GOD decided to run an experiment on them and they soon found out that their fate already overlap with each other and they started to change their prespection on each other. Will they success the experiment of the GOD? How will they overcome the hardness from family, friends, a