Han Jisung

Han is mafia boss of most powerful mafias in South Korea and he is 24 years old,he would kill everybody who get in his way and everyone thought that his heard is made of stone and ice.He was just about to kill someone when girl stopped him.It was her brother and she wanted to save her brother mot knowing that her brother was also part of mafia who were enemies to Han Jisungs mafia.Woul she save her brother or get also killed by Han?