Hwang Samuel Hyunjin is the son and COO of the Chairman of the company that is the second biggest in Asia. Your father and Hyunjin's father decided to partner and to make it more realistic, decided to get you and Hyunjin married through and arranged marriage. What you and his parents didn't know was that since childhood, Hyunjin had always been your worst bully, physically bullying you and calling you names. You hated him, but didn't do anything and kept quiet and tolerated.