Ji Yeon and Dong Ha can't stop running into each other, and he learns more about her past and desolate love life than she'd like him to know.

After realizing his age during a steamy encounter, Ji Yeon never wants to see Dong Ha again, but her boss has other plans in mind when she begins receiving threats at the office.

Ji Yeon ends up staying with Dong Ha after being attacked in her home, and the two decide to take down Kim Jung Do once and for all.

The employees of Trouble Maker go on a team-building workshop. Ji Yeon learns about Dong Ha's past love.

Ji Yeon and Dong Ha get into a fight when she replants his hyacinth without permission. Dong Ha helps Ji Yeon prepare for a blind date.

Shi Hoon returns to Korea, and Ji Yeon's boss wants her to do a story on him. Dong Ha tries to convince Ji Yeon of his feelings.

Ji Yeon learns the truth about Shi Hoon not showing up to their wedding. Dong Ha struggles with trying to do the right thing.

Shi Hoon decides to stay in Korea if Ji Yeon will have him. Ji Yeon and Dong Ha try to move on from each other, but lingering feelings keep arising.

Ji Yeon keeps sending Dong Ha mixed messages, despite her rekindled romance with Shi Hoon. Dong Ha begins drinking and lashing out in frustration.

Shi Hoon is ready to re-propose to Ji Yeon, but her heart keeps wavering, especially after her recent kiss with Dong Ha.

With the wedding drawing closer, Dong Ha decides to let Ji Yeon go, but Ji Yeon's not so sure she can do the same to him.

Shi Hoon makes a life-changing decision. Ji Yeon looks deeper into Han Bit Hospital's past.

Ji Yeon wants to help Dong Ha and his father reconnect. Na Rae and Min Gu scheme to make Ji Yeon and Dong Ha confess to each other.

Ji Yeon and Dong Ha begin officially dating. Dong Ha takes a position as Team Leader Byun's assistant in order to be close to Ji Yeon.

In the series finale, Ji Yeon and Dong Ha's future is uncertain as Ji Yeon must decide if she will participate in the Global Challenge Program.