With a cold, ruthless, and calculated personality, Joo Gyeok-Chan worked for the National Security Agency as a spy disguised as a student. After sustaining several bullet wounds, Gyeok breaks into the Women's University Dormitory at night, to seek shelter before he can finish his mission. He runs into a student there. Her eyes widen when she sees the blood on him.

He covers her mouth with his hand. "Not a word." He whispered.