This story is adapted from Salt(movie).   Evelyn Salt(Angelina Jolie), is a CIA Agent who lead a double life. She was an agent and her marriage was a cover up. She loved her husband and his safety was her priority that's why she went to a journey to find him.   I will not adapt the entire movie. I will just adapt the plot about the double life of Salt.  

    “I am not someone you should trust..”     - Jisoo     “I keep getting attracted to you everyday..”     - V     “I’m just someone who is hired to guard you.. you must not have any feelings for me..”     - Jisoo     “I will always believe in you

Your parents got killed when you were five years old. You have a brother those two years older than you. His name is Kim Taehyung. He left you with your aunt after your parents got killed. You don’t know why your parents got killed. You decided to investigate the reason and find your brother too. You’ve become a spy without your aunt knows. While you were in a mission, you got stuck between two men. You don’t know who should you choose between Jin and J