Yoo Hye-Jung becomes a successful neurosurgeon, following her rocky beginnings. Plus a look back at how it all started, as she fought against her destiny in high school.

Hye-jeong makes a new friend when she sees a familiar face at school; When an emergency takes place, Hye-jeong learns something about Ji-hong.

Ji-hong decides to leave; Seo-u's jealousy gets out of control; Hye-jong faces even more struggles, even when a friend makes a sacrifice.

Hye-jeong's skills impress an old friend when she performs emergency surgery on the first day of her fellowship.

Yun-do puts Hye-jeong on the spot; Hye-jeong becomes Ji-hong's student once again; Seo-u is still thinking about the past.

Someone comes to visit Hye-jeong but they aren't welcome; Hye-jeong tries to get help from Ji-hong and Yun-do.