A class reunion rekindles fond feelings between Ji-hyun and Young-wook.

Ji-hyun finds herself in over her head after agreeing to do a favor for Seon-joo.

Ji-hyun's daughter finds something suspicious on her mother's phone.

A trip to Jeju Island to search for Woo-chul and Seon-joo leads to a special evening.

Young-wook receives a letter from Woo-chul, and Tae-jin writes a magazine article that causes upset.

Tae-jin receives a threatening phone call, and Seon-joo grows suspicious of Woo-chul.