Kang Minhyuk (26) and Park Tae-Yong know each other for 10 years. They're close friends and are now law partners for 3 years.  But one day, Minhyuk will meet a young and beautiful teenager who will be Tae-Yong's daughter Hye-Mi, 19 years old, who will become his everything. Will they take the risk to live this forbidden love? Will Tae-Yong ever discover who make his daughter happy?