High Class

I-chan gets in an accident. Yeo-wool receives a rose bouquet and a text from an unknown sender.

Yeo-wool commissions a PI to answer her questions. CCTV footage shows a parent chasing down I-chan.

Do-young ignores I-chan's secret, while Ji-seon sabotages Yeo-wool's efforts.

Na-yoon approaches Yeo-wool with an icy look. Ji-seon tries to drive Yeo-wool out.

Yeo-wool manages to stay at the school and steps toward the secret of her dead husband.

The chairwoman's death has the school turned over. Alibis are shared and suspicion continues.

Under Goo's suspicion, Yeo-wool reveals Ji-yong heard Jin-sol and Ji-seon argue before his death.

Shocked by Ae-soon, I-chan loses his speech. Na-yoon makes an odd suggestion to Yeo-wool.

Yeo-wool, shocked by the CCTVs all around the house, heads to Soon-sang's place with I-chan.

Ji-yong is alive. Yeo-wool faces the reality of her life and starts planning for a revenge.

Na-yoon falls into a coma with an accident and Yeo-wool digs up the truth behind it.

While Yeo-wool struggles to protect the school, she receives a call from a familiar voice.

Yeo-wool transfers the funds to survive. Ji-yong with his goals accomplished, no longer needs her.

Yeo-wool goes to find kidnapped I-chan. Na-yoon joins her although Yeo-wool tries to go alone.