Second 20s

No-ra is on the verge of getting divorced. She begins studying for the college entrance exam.

No-ra is accepted to college. She meets her alumni Hyun-suk, who became a popular professor.

Hyun-suk corners her asking why she is attending university behind her husband's back.

No-ra is not terminally ill. Not knowing this, Hyun-suk is perplexed seeing her excluded by people.

No-ra works at Hyun-suk's office. Thinking of her as terminally ill, he helps her live happily.

No-ra witnesses her husband cheating on her. Hyun-suk prepares a surprise event to cheer her up.

Hyun-suk finds out that No-ra is fine and healthy. But his attitude changes, hurting No-ra.

Woo-chul says he won't divorce if No-ra quits school. She shuts him up, mentioning his love affair.

Seeing No-ra on stage, Hyun-suk and Woo-chul's hearts drop. Min-su finds something in dad's drawer.

Hyun-suk and Woo-chul have an intense fight. He takes No-ra at his bike to make Woo-chul envy him.

No-ra announces the divorce. Misunderstanding their relationship, Hyun-suk distances from her.

No-ra's heart pounds when seeing Hyun-suk. Her feeling grew knowing that he helped his grandmother.

No-ra finds out that she was Hyun-suk's, first love. Yun-young asks him if he likes No-ra.

No-ra and Woo-chul finally get divorced. She faints from the after-effect of the divorce.

Hyun-suk confesses to No-ra but makes her prove she doesn't like him. He takes her on many dates.

No-ra leaves school and enjoys her single life. She is shocked by Hyun-suk passing by her coldly.