Chapter 1: Break Up (Jan Di & Jun Pyo)
In Concepts 1 One Lotte World Mall
It was two weeks before Christmas and Ga Eul and Jan Di went Christmas shopping for Christmas gifts.
Ga Eul walks into Men's store and Jan Di follows her and then Ga Eul chooses a light blue shirt with light blue tie and ask Jan Di, "Jan Di, do you think that this perfect for Yi Jeong sunbae."
Jan Di looks at the shirt and tie and then at Ga Eul who was smiling happily and then Jan Di answers her, "Ga Eul, anything you choose for Yi Jeong is perfect and Yi Jeong will loves anything you get for him."
Ga Eul blushed after hearing what Jan Di told her and then she told her, "Jan Di, you should get something for Ji Hoo sunbae too. This is your first Christmas together."
Jan Di blushed too and realize that Ga Eul is right that is her and Ji Hoo first Christmas together.
Jan Di remember when she and Jun Pyo broke up.
Flashback
Seven month ago
Jan Di finally become a doctor and working in the same hospital as Ji Hoo and she was extremely happy to be doctor.
Jan Di and Jun Pyo relationship hit a snag when Jun Pyo got mad at Jan Di for her busy doctor schedule.
Jun Pyo always made plan to see Jan Di but Jan Di turned down his plans and told him that she was busy and couldn't see him.
Jan Di and Jun Pyo broke up when Jun Pyo gave Jan Di an ultimatum of him or her doctor career to which Jan Di choose her doctor career over him.
After Jan Di choose her doctor career and she walks away from Jun Pyo to which Jun Pyo stood there and watches Jan Di leave him.
Jan Di told Ji Hoo, "Jun Pyo and I broke up when he gave me ultimatum – him or my doctor career and I choose my doctor career and walks away from him."