Everything you and Sunghoon have created together is a lie. He's an assassin who wants to finish his assignment by killing you. And you're also an assassin attempting to murder him.

Of course, both of you are unaware of this and believe you are carrying out your mission flawlessly.

...

He has a knife on your throat, and you have a gun pointed at his head. He's on top of you, and you're both on the floor.

"Look at that sweetheart.." He said, smiling with a blank expression.