He's a man who was accused of killing his younger step sister but actually he didn't. And he was in the prison for 2yrs then they released him when they found the real killer. He's been living with this trauma till now cuz no one belived him but you. His lawyer he changed his name to Lee chan so no one will know him .he started to lives with two friends and they're the only who knows who he really is. And you are a teacher at his college but you didn't knew him.but he does recognized you