Jin and Lemon fight. Jin is unable to shoot Lemon while Lemon revels his trace ability to create spikes, piercing several into Jin. After putting enough spikes into Jin to handicap his accuracy he holds Jang Mi hostage. Jin concentrates and aims the bullet to avoid rose and hit Lemon. He succeeds and Jang Mi is unharmed. After Lemon dies Jang Mi picks up one of his spikes, crying. She said "You weren't suppose to shoot" before stabbing her throat with the spike. She committed suicide in front of him.
Jin later finds her diary, learning that she was a mind reading
Trace whose real name was Kim Eun Ah. She wanted revenge on Jin. When she was a child, Jin killed her father and she vowed to make him pay. But killing him wasn't enough; he needed to learn how to feel and then lose something important. So Rose became the opposite of Jin to made him experience emotions he never felt before. Jang Mi had also got the help of Lemon, the son of Noah. She planned everything except one thing, she never planned of falling in love with him also. This had almost stopped her plan. Even after learning about Jang Mi's secrets, Jin still loved her.