A Shop for Killers

Jeong Hi An, a girl who tragically loses her parents. She is raised by Jeong Jin Man, her uncle, who runs a shopping mall. When she was little, her mother was murdered by her father, and he took his own life on the day of her grandmother's funeral. When she was left alone, her uncle took her in and they started to live together until she went to university and lived alone. One day, Jung Ji An hears that her uncle has suddenly passed away, and returns to the house where they lived. She then learns the true identity of the mall that Jung Jin Man managed. Source: IMDb