Life was perfect for Choi Jin Hyeok, his wife Ha Eun Ju, and their beloved daughter Seon Hui – until the day the young girl came home covered in blood, saying she thinks she killed her friend… When the latter’s house burns down, suspicions at home and school begin to surface. When another kid goes missing too, family members and friends begin to point fingers at one another. Will the truth about this “perfect family” ever emerge?

Choi Jin-Hyuk (Kim Byung-Chul) is a successful lawyer at a large law firm. He is married to Ha Eun-Joo (Yoon Se-Ah) and they have an adopted daughter Choi Sun-Hui (Park Ju-Hyun). He is faithful to his family. Ha Eun-Joo used to be a neuropsychiatric specialist, but, due to trauma from an unexpected accident, she quit her job. She is now a full-time housewife, who focus on taking care of her family. She loves her daughter Choi Sun-Hui deeply and she will do anything to protect her. Choi Sun-Hui is a model student and has a pretty appearance. Their family looks like a perfect and happy family, but things change. Choi Sun-Hui is suddenly caught up in a murder case.