High Class

Yeo-wool heads to HSC with her son for a fresh start, but the moms learn about her hidden past.

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.

Na-yoon reports Yeo-wool to the police. Words spread that I-chan and Jane are half siblings.

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